mirror of
https://github.com/topjohnwu/Magisk.git
synced 2024-12-19 06:27:39 +00:00
107 lines
3.4 KiB
Bash
107 lines
3.4 KiB
Bash
#!/system/bin/sh
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##########################################################################################
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#
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# Magisk Uninstaller
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# by topjohnwu
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#
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# This script can be placed in /cache/magisk_uninstaller.sh
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# The Magisk main binary will pick up the script, and uninstall itself, following a reboot
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# This script can also be used in flashable zip with the uninstaller_loader.sh
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#
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# This script will try to do restoration with the following:
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# 1-1. Find and restore the original stock boot image dump (OTA proof)
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# 1-2. If 1-1 fails, restore ramdisk from the internal backup
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# (ramdisk fully restored, not OTA friendly)
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# 1-3. If 1-2 fails, it will remove added files in ramdisk, however modified files
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# are remained modified, because we have no backups. By doing so, Magisk will
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# not be started at boot, but this isn't actually 100% cleaned up
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# 2. Remove all Magisk related files
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# (The list is LARGE, most likely due to bad decision in early versions
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# the latest versions has much less bloat to cleanup)
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#
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##########################################################################################
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[ -z $BOOTMODE ] && BOOTMODE=false
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[ -d /data/adb/magisk ] && MAGISKBIN=/data/adb/magisk || MAGISKBIN=/data/magisk
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CHROMEDIR=$MAGISKBIN/chromeos
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if [ ! -f $MAGISKBIN/magiskboot -o ! -f $MAGISKBIN/util_functions.sh ]; then
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echo "! Cannot find $MAGISKBIN"
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exit 1
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fi
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if $BOOTMODE; then
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# Load utility functions
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. $MAGISKBIN/util_functions.sh
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BOOTMODE=true
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boot_actions
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mount_partitions
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fi
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cd $MAGISKBIN
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[ -z $BOOTIMAGE ] && abort "! Unable to detect boot image"
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ui_print "- Found Boot Image: $BOOTIMAGE"
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ui_print "- Unpacking boot image"
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./magiskboot --unpack "$BOOTIMAGE"
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CHROMEOS=false
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case $? in
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1 )
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abort "! Unable to unpack boot image"
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;;
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3 )
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ui_print "- ChromeOS boot image detected"
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CHROMEOS=true
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;;
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4 )
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ui_print "! Sony ELF32 format detected"
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abort "! Please use BootBridge from @AdrianDC to flash Magisk"
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;;
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5 )
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ui_print "! Sony ELF64 format detected"
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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"
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./magiskboot --cpio ramdisk.cpio test
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case $? in
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0 ) # Stock boot
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ui_print "- Stock boot image detected"
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abort "! Magisk is not installed!"
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;;
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1|2 ) # Magisk patched
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ui_print "- Magisk patched image detected"
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# Find SHA1 of stock boot image
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[ -z $SHA1 ] && SHA1=`./magiskboot --cpio ramdisk.cpio sha1 2>/dev/null`
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OK=false
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[ ! -z $SHA1 ] && restore_imgs $SHA1 && OK=true
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if ! $OK; then
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ui_print "! Boot image backup unavailable"
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ui_print "- Restoring ramdisk with internal backup"
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./magiskboot --cpio ramdisk.cpio restore
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./magiskboot --repack $BOOTIMAGE
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# Sign chromeos boot
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$CHROMEOS && sign_chromeos
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flash_boot_image new-boot.img "$BOOTIMAGE"
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fi
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;;
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3 ) # Other patched
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ui_print "! Boot image patched by other programs"
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abort "! Cannot uninstall"
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;;
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esac
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cd /
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ui_print "- Removing Magisk files"
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rm -rf /cache/*magisk* /cache/unblock /data/*magisk* /data/cache/*magisk* /data/property/*magisk* \
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/data/Magisk.apk /data/busybox /data/custom_ramdisk_patch.sh /data/app/com.topjohnwu.magisk* \
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/data/user*/*/magisk.db /data/user*/*/com.topjohnwu.magisk /data/user*/*/.tmp.magisk.config \
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/data/adb/*magisk* 2>/dev/null
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$BOOTMODE && /system/bin/reboot
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