forked from MarcoBuster/Magisk
226 lines
6.1 KiB
Bash
226 lines
6.1 KiB
Bash
#!/sbin/sh
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##########################################################################################
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#
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# Magisk Flash Script
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# by topjohnwu
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#
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# This script will detect, construct the environment for Magisk
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# It will then call boot_patch.sh to patch the boot image
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#
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##########################################################################################
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# Detect whether in boot mode
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ps | grep zygote | grep -v grep >/dev/null && BOOTMODE=true || BOOTMODE=false
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$BOOTMODE || ps -A 2>/dev/null | grep zygote | grep -v grep >/dev/null && BOOTMODE=true
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# This path should work in any cases
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TMPDIR=/dev/tmp
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INSTALLER=$TMPDIR/magisk
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COMMONDIR=$INSTALLER/common
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CHROMEDIR=$INSTALLER/chromeos
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COREDIR=/magisk/.core
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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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rm -rf $TMPDIR 2>/dev/null
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mkdir -p $INSTALLER
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unzip -o "$ZIP" -d $INSTALLER
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##########################################################################################
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# Detection
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##########################################################################################
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if [ ! -d "$COMMONDIR" ]; then
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echo "! Unable to extract zip file!"
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exit 1
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fi
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# Load all fuctions
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. $COMMONDIR/util_functions.sh
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ui_print "************************"
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ui_print "* MAGISK_VERSION_STUB"
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ui_print "************************"
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ui_print "- Mounting /system(ro), /vendor(ro), /cache, /data"
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mount -o ro /system 2>/dev/null
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mount -o ro /vendor 2>/dev/null
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mount /cache 2>/dev/null
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mount /data 2>/dev/null
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[ -f /system/build.prop ] || abort "! /system could not be mounted!"
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# read override variables
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getvar KEEPVERITY
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getvar KEEPFORCEENCRYPT
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getvar BOOTIMAGE
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# Check if system root is installed and remove
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remove_system_su
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API=`grep_prop ro.build.version.sdk`
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ABI=`grep_prop ro.product.cpu.abi | cut -c-3`
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ABI2=`grep_prop ro.product.cpu.abi2 | cut -c-3`
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ABILONG=`grep_prop ro.product.cpu.abi`
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ARCH=arm
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BBPATH=armeabi-v7a
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if [ "$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; fi;
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if [ "$ABILONG" = "x86_64" ]; then ARCH=x64; fi;
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[ $API -lt 21 ] && abort "! Magisk is only for Lollipop 5.0+ (SDK 21+)"
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ui_print "- Device platform: $ARCH"
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BINDIR=$INSTALLER/$ARCH
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chmod -R 755 $CHROMEDIR $BINDIR
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find_boot_image
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[ -z $BOOTIMAGE ] && abort "! Unable to detect boot image"
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##########################################################################################
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# Environment
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##########################################################################################
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ui_print "- Constructing environment"
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$BOOTMODE || recovery_actions
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is_mounted /data && MAGISKBIN=/data/magisk || MAGISKBIN=/cache/data_bin
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# Copy required files
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rm -rf $MAGISKBIN 2>/dev/null
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mkdir -p $MAGISKBIN
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cp -af $BINDIR/. $COMMONDIR/. $MAGISKBIN
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chmod -R 755 $MAGISKBIN
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chcon -hR u:object_r:system_file:s0 $MAGISKBIN
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# addon.d
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if [ -d /system/addon.d ]; then
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ui_print "- Adding addon.d survival script"
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mount -o rw,remount /system
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cp $INSTALLER/addon.d/99-magisk.sh /system/addon.d/99-magisk.sh
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chmod 755 /system/addon.d/99-magisk.sh
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fi
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##########################################################################################
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# Magisk Image
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##########################################################################################
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# Fix SuperSU.....
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$BOOTMODE && $BINDIR/magisk magiskpolicy --live "allow fsck * * *"
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if (is_mounted /data); then
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IMG=/data/magisk.img
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else
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IMG=/cache/magisk.img
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ui_print "- Data unavailable, use cache workaround"
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fi
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if [ -f $IMG ]; then
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ui_print "- $IMG detected!"
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else
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ui_print "- Creating $IMG"
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$BINDIR/magisk --createimg $IMG 64M
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fi
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if ! is_mounted /magisk; then
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ui_print "- Mounting $IMG to /magisk"
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MAGISKLOOP=`$BINDIR/magisk --mountimg $IMG /magisk`
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fi
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is_mounted /magisk || abort "! Magisk image mount failed..."
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# Core folders
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mkdir -p $COREDIR/props $COREDIR/post-fs-data.d $COREDIR/service.d 2>/dev/null
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chmod 755 $COREDIR/post-fs-data.d $COREDIR/service.d
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chown 0.0 $COREDIR/post-fs-data.d $COREDIR/service.d
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# Legacy cleanup
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mv $COREDIR/magiskhide/hidelist $COREDIR/hidelist 2>/dev/null
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rm -rf $COREDIR/magiskhide $COREDIR/bin
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##########################################################################################
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# Unpack boot
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##########################################################################################
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ui_print "- Found Boot Image: $BOOTIMAGE"
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# Update our previous backup to new format if exists
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if [ -f /data/stock_boot.img ]; then
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SHA1=`$BINDIR/magiskboot --sha1 /data/stock_boot.img | tail -n 1`
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STOCKDUMP=/data/stock_boot_${SHA1}.img
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mv /data/stock_boot.img $STOCKDUMP
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$BINDIR/magiskboot --compress $STOCKDUMP
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fi
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SOURCEDMODE=true
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cd $MAGISKBIN
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# Source the boot patcher
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. $COMMONDIR/boot_patch.sh "$BOOTIMAGE"
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# Sign chromeos boot
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if [ -f chromeos ]; then
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echo > empty
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$CHROMEDIR/futility vbutil_kernel --pack new-boot.img.signed \
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--keyblock $CHROMEDIR/kernel.keyblock --signprivate $CHROMEDIR/kernel_data_key.vbprivk \
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--version 1 --vmlinuz new-boot.img --config empty --arch arm --bootloader empty --flags 0x1
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rm -f empty new-boot.img
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mv new-boot.img.signed new-boot.img
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fi
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[ -f stock_boot* ] && rm -f /data/stock_boot* 2>/dev/null
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ui_print "- Flashing new boot image"
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if [ -L "$BOOTIMAGE" ]; then
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dd if=new-boot.img of="$BOOTIMAGE" bs=4096
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else
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cat new-boot.img /dev/zero | dd of="$BOOTIMAGE" bs=4096
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fi
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rm -f new-boot.img
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cd /
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if ! $BOOTMODE; then
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ui_print "- Unmounting partitions"
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$BINDIR/magisk --umountimg /magisk $MAGISKLOOP
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rmdir /magisk
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mv /sbin_tmp /sbin
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umount -l /system
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umount -l /vendor 2>/dev/null
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fi
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ui_print "- Done"
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exit 0
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