Magisk/zip_static/common/custom_ramdisk_patch.sh
2017-01-02 02:00:53 +08:00

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#!/system/bin/sh
RAMDISK=$1
BINDIR=$2
[ -z $BINDIR ] && BINDIR=/data/magisk
SYSTEMLIB=/system/lib
[ -d /system/lib64 ] && SYSTEMLIB=/system/lib64
cpio_add() {
LD_LIBRARY_PATH=$SYSTEMLIB /su/bin/sukernel --cpio-add $RAMDISK $RAMDISK $2 $1 $1
}
cpio_extract() {
LD_LIBRARY_PATH=$SYSTEMLIB /su/bin/sukernel --cpio-extract $RAMDISK $1 $1
}
cpio_mkdir() {
LD_LIBRARY_PATH=$SYSTEMLIB /su/bin/sukernel --cpio-mkdir $RAMDISK $RAMDISK $2 $1
}
# Recursive
cpio_rm() {
if [ "$1" = "-r" ]; then
LD_LIBRARY_PATH=$SYSTEMLIB /su/bin/sukernel --cpio-ls $RAMDISK | grep "^$2/" | while read i ; do
LD_LIBRARY_PATH=$SYSTEMLIB /su/bin/sukernel --cpio-rm $RAMDISK $RAMDISK $i
done
LD_LIBRARY_PATH=$SYSTEMLIB /su/bin/sukernel --cpio-rmdir $RAMDISK $RAMDISK $2
else
LD_LIBRARY_PATH=$SYSTEMLIB /su/bin/sukernel --cpio-rm $RAMDISK $RAMDISK $1
fi
}
rm -rf /tmp/magisk/ramdisk 2>/dev/null
mkdir -p /tmp/magisk/ramdisk
cd /tmp/magisk/ramdisk
cat $RAMDISK | cpio -i
# Patch ramdisk
echo "- Patching ramdisk"
# Cleanup SuperSU backups
cpio_rm -r .subackup
# Add magisk entrypoint
for INIT in init*.rc; do
if [ `grep -c "import /init.environ.rc" $INIT` -ne "0" ] && [ `grep -c "import /init.magisk.rc" $INIT` -eq "0" ]; then
sed -i "/import \/init\.environ\.rc/iimport /init.magisk.rc" $INIT
cpio_add $INIT 750
break
fi
done
# sepolicy patches
LD_LIBRARY_PATH=$SYSTEMLIB $BINDIR/sepolicy-inject --magisk -P sepolicy
cpio_add sepolicy 644
# Add new items
cp -af $BINDIR/init.magisk.rc init.magisk.rc
cp -af $BINDIR/magic_mask.sh sbin/magic_mask.sh
cpio_mkdir magisk 755
cpio_add init.magisk.rc 750
cpio_add sbin/magic_mask.sh 750