134 lines
3.5 KiB
Bash
134 lines
3.5 KiB
Bash
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#!/sbin/sh
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##########################################################################################
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#
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# Magisk Uninstaller (used in recovery)
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# by topjohnwu
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#
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# This script will load the real uninstaller in a flashable zip
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#
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##########################################################################################
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INSTALLER=/tmp/uninstall
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# Default permissions
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umask 022
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##########################################################################################
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# Flashable update-binary preparation
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##########################################################################################
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OUTFD=$2
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ZIP=$3
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readlink /proc/$$/fd/$OUTFD 2>/dev/null | grep /tmp >/dev/null
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if [ "$?" -eq "0" ]; then
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OUTFD=0
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for FD in `ls /proc/$$/fd`; do
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readlink /proc/$$/fd/$FD 2>/dev/null | grep pipe >/dev/null
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if [ "$?" -eq "0" ]; then
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ps | grep " 3 $FD " | grep -v grep >/dev/null
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if [ "$?" -eq "0" ]; then
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OUTFD=$FD
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break
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fi
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fi
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done
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fi
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mkdir -p $INSTALLER
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cd $INSTALLER
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unzip -o "$ZIP"
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##########################################################################################
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# Functions
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##########################################################################################
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ui_print() {
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echo -n -e "ui_print $1\n" >> /proc/self/fd/$OUTFD
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echo -n -e "ui_print\n" >> /proc/self/fd/$OUTFD
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}
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is_mounted() {
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if [ ! -z "$2" ]; then
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cat /proc/mounts | grep $1 | grep $2, >/dev/null
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else
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cat /proc/mounts | grep $1 >/dev/null
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fi
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return $?
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}
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grep_prop() {
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REGEX="s/^$1=//p"
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shift
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FILES=$@
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if [ -z "$FILES" ]; then
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FILES='/system/build.prop'
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fi
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cat $FILES 2>/dev/null | sed -n $REGEX | head -n 1
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}
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##########################################################################################
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# Main
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##########################################################################################
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ui_print "*****************************"
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ui_print " Magisk Uninstaller "
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ui_print "*****************************"
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if [ ! -d "$INSTALLER/arm" ]; then
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ui_print "! Failed: Unable to extract zip file!"
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exit 1
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fi
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ui_print "- Mounting /system(ro), /cache, /data"
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mount -o ro /system 2>/dev/null
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mount /cache 2>/dev/null
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mount /data 2>/dev/null
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if [ ! -f '/system/build.prop' ]; then
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ui_print "! Failed: /system could not be mounted!"
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exit 1
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fi
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API=`grep_prop ro.build.version.sdk`
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ABI=`grep_prop ro.product.cpu.abi | cut -c-3`
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ABI2=`grep_prop ro.product.cpu.abi2 | cut -c-3`
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ABILONG=`grep_prop ro.product.cpu.abi`
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ARCH=arm
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IS64BIT=false
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if [ "$ABI" = "x86" ]; then ARCH=x86; fi;
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if [ "$ABI2" = "x86" ]; then ARCH=x86; fi;
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if [ "$ABILONG" = "arm64-v8a" ]; then ARCH=arm64; IS64BIT=true; fi;
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if [ "$ABILONG" = "x86_64" ]; then ARCH=x64; IS64BIT=true; fi;
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ui_print "- Device platform: $ARCH"
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CHROMEDIR=$INSTALLER/chromeos
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BINDIR=$INSTALLER/$ARCH
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##########################################################################################
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# Detection all done, start installing
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##########################################################################################
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if (is_mounted /data); then
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# Copy the binaries to /data/magisk, in case they do not exist
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rm -rf /data/magisk 2>/dev/null
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mkdir -p /data/magisk 2>/dev/null
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cp -af $BINDIR/. $CHROMEDIR /data/magisk
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. $INSTALLER/magisk_uninstaller.sh
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else
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ui_print "! Data unavailable"
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ui_print "! Placing uninstall script to /cache"
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ui_print "! The device might reboot multiple times"
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cp -af $INSTALLER/magisk_uninstaller.sh /cache/magisk_uninstaller.sh
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umount /system
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ui_print "- Rebooting....."
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sleep 5
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reboot
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fi
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umount /system
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ui_print "- Done"
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exit 0
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