Magisk/app/src/full/res/raw/utils.sh

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db_sepatch() {
magiskpolicy --live 'create magisk_file' 'attradd magisk_file mlstrustedobject' \
'allow * magisk_file file *' 'allow * magisk_file dir *' \
'allow magisk_file * filesystem associate'
}
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db_clean() {
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local USERID=$1
local DIR="/sbin/.core/db-${USERID}"
umount -l /data/user*/*/*/databases/su.db $DIR $DIR/*
rm -rf $DIR
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[ "$USERID" = "*" ] && rm -fv /data/adb/magisk.db*
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}
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db_init() {
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# Temporary let the folder rw by anyone
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chcon u:object_r:magisk_file:s0 /data/adb
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chmod 777 /data/adb
}
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db_restore() {
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chmod 700 /data/adb
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magisk --restorecon
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}
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db_setup() {
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local USER=$1
local USERID=$(($USER / 100000))
local DIR=/sbin/.core/db-${USERID}
mkdir -p $DIR
touch $DIR/magisk.db
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mount -o bind /data/adb/magisk.db $DIR/magisk.db
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rm -f /data/adb/magisk.db-*
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chcon u:object_r:magisk_file:s0 $DIR $DIR/*
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chmod 700 $DIR
chown $USER.$USER $DIR
chmod 666 $DIR/*
}
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env_check() {
for file in busybox magisk magiskboot magiskinit util_functions.sh boot_patch.sh; do
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[ -f /data/adb/magisk/$file ] || return 1
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done
return 0
}
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fix_env() {
cd /data/adb/magisk
sh update-binary extract
rm -f update-binary magisk.apk
cd /
rm -rf /sbin/.core/busybox/*
/sbin/.core/mirror/bin/busybox --install -s /sbin/.core/busybox
}
direct_install() {
flash_boot_image $1 $2
rm -f $1
rm -rf /data/adb/magisk/* 2>/dev/null
mkdir -p /data/adb/magisk 2>/dev/null
chmod 700 /data/adb
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cp -rf $3/* /data/adb/magisk
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rm -rf $3
}
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mm_patch_dtbo() {
if $KEEPVERITY; then
echo false
else
find_dtbo_image
patch_dtbo_image >/dev/null 2>&1 && echo true || echo false
fi
}
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restore_imgs() {
SHA1=`cat /.backup/.sha1`
[ -z $SHA1 ] && SHA1=`grep_prop #STOCKSHA1`
[ -z $SHA1 ] && return 1
STOCKBOOT=/data/stock_boot_${SHA1}.img.gz
STOCKDTBO=/data/stock_dtbo.img.gz
[ -f $STOCKBOOT ] || return 1
find_boot_image
find_dtbo_image
magisk --unlock-blocks 2>/dev/null
if [ -b "$DTBOIMAGE" -a -f $STOCKDTBO ]; then
gzip -d < $STOCKDTBO > $DTBOIMAGE
fi
if [ -b "$BOOTIMAGE" -a -f $STOCKBOOT ]; then
gzip -d < $STOCKBOOT | cat - /dev/zero > $BOOTIMAGE 2>/dev/null
return 0
fi
return 1
}