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Brand new dummy cloning: No bugs and faster

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This commit is contained in:
topjohnwu 2016-11-06 04:47:54 +08:00
parent 24a510bc2e
commit 7ac41652f7
1 changed files with 53 additions and 50 deletions
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95
scripts/magic_mask.sh
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@ -48,7 +48,7 @@ run_scripts() {
if [ ! -f "$MOD/disable" ]; then
if [ -f "$MOD/$1.sh" ]; then
chmod 755 $MOD/$1.sh
chcon 'u:object_r:system_file:s0' $MOD/$1.sh
chcon "u:object_r:system_file:s0" "$MOD/$1.sh"
log_print "$1: $MOD/$1.sh"
sh $MOD/$1.sh
fi
@ -75,66 +75,69 @@ target_size_check() {
}
travel() {
cd $1/$2
cd "$1/$2"
if [ -f ".replace" ]; then
rm -rf $MOUNTINFO/$2
mktouch $MOUNTINFO/$2 $1
rm -rf "$MOUNTINFO/$2"
mktouch "$MOUNTINFO/$2" "$1"
else
for ITEM in * ; do
if [ ! -e "/$2/$ITEM" ]; then
# New item found
if [ $2 = "system" ]; then
if [ "$2" = "system" ]; then
# We cannot add new items to /system root, delete it
rm -rf $ITEM
rm -rf "$ITEM"
else
if [ -d "$MOUNTINFO/dummy/$2" ]; then
# We are in a higher level, delete the lower levels
rm -rf $MOUNTINFO/dummy/$2
fi
# If we are in a higher level, delete the lower levels
rm -rf "$MOUNTINFO/dummy/$2"
# Mount the dummy parent
mktouch $MOUNTINFO/dummy/$2
mktouch "$MOUNTINFO/dummy/$2"
mkdir -p $DUMMDIR/$2 2>/dev/null
if [ -d "$ITEM" ]; then
# Create new dummy directory
mkdir -p $DUMMDIR/$2/$ITEM
# Create new dummy directory and mount it
mkdir -p "$DUMMDIR/$2/$ITEM"
mktouch "$MOUNTINFO/$2/$ITEM" "$1"
elif [ -L "$ITEM" ]; then
# Symlinks are small, copy them
$TOOLPATH/cp -afc $ITEM $DUMMDIR/$2/$ITEM
mkdir -p "$DUMMDIR/$2" 2>/dev/null
$TOOLPATH/cp -afc "$ITEM" "$DUMMDIR/$2/$ITEM"
else
# Create new dummy file
mktouch $DUMMDIR/$2/$ITEM
# Create new dummy file and mount it
mktouch "$DUMMDIR/$2/$ITEM"
mktouch "$MOUNTINFO/$2/$ITEM" "$1"
fi
fi
# Clone the original /system structure (depth 1)
if [ -e "/$2" ]; then
for DUMMY in /$2/* ; do
if [ -d "$DUMMY" ]; then
# Create dummy directory
mkdir -p $DUMMDIR$DUMMY
elif [ -L "$DUMMY" ]; then
# Symlinks are small, copy them
$TOOLPATH/cp -afc $DUMMY $DUMMDIR$DUMMY
else
# Create dummy file
mktouch $DUMMDIR$DUMMY
fi
done
fi
fi
fi
if [ -d "$ITEM" ]; then
# It's an directory, travel deeper
(travel $1 $2/$ITEM)
(travel "$1" "$2/$ITEM")
elif [ ! -L "$ITEM" ]; then
# Mount this file
mktouch $MOUNTINFO/$2/$ITEM $1
mktouch "$MOUNTINFO/$2/$ITEM" "$1"
fi
fi
done
fi
}
clone_dummy() {
for ITEM in "$1/"* ; do
if [ -d "$DUMMDIR$ITEM" ]; then
(clone_dummy "$ITEM")
else
if [ -d "$ITEM" ]; then
# Create dummy directory
mkdir -p "$DUMMDIR$ITEM"
elif [ -L "$ITEM" ]; then
# Symlinks are small, copy them
$TOOLPATH/cp -afc "$ITEM" "$DUMMDIR$ITEM"
else
# Create dummy file
mktouch "$DUMMDIR$ITEM"
fi
fi
done
}
bind_mount() {
if [ -e "$1" -a -e "$2" ]; then
mount -o bind $1 $2
@ -270,7 +273,7 @@ case $1 in
mv /cache/stock_boot.img /data 2>/dev/null
chcon -R 'u:object_r:system_file:s0' $BINPATH $TOOLPATH
chcon -R "u:object_r:system_file:s0" $BINPATH $TOOLPATH
# Image merging
chmod 644 $IMG /cache/magisk.img /data/magisk_merge.img 2>/dev/null
@ -334,11 +337,6 @@ case $1 in
fi
done
# Proper permissions for generated items
$TOOLPATH/find $DUMMDIR -type d -exec chmod 755 {} \;
$TOOLPATH/find $DUMMDIR -type f -exec chmod 644 {} \;
$TOOLPATH/find $DUMMDIR -exec chcon 'u:object_r:system_file:s0' {} \;
# linker(64), t*box, and app_process* are required if we need to dummy mount bin folder
if [ -f "$MOUNTINFO/dummy/system/bin" ]; then
rm -f $DUMMDIR/system/bin/linker* $DUMMDIR/system/bin/t*box $DUMMDIR/system/bin/app_process*
@ -355,10 +353,16 @@ case $1 in
log_print "Bind mount dummy system"
$TOOLPATH/find $MOUNTINFO/dummy -type f 2>/dev/null | while read ITEM ; do
TARGET=${ITEM#$MOUNTINFO/dummy}
ORIG=$DUMMDIR$TARGET
bind_mount $ORIG $TARGET
ORIG="$DUMMDIR$TARGET"
clone_dummy "$TARGET"
bind_mount "$ORIG" "$TARGET"
done
# Proper permissions for generated items
$TOOLPATH/find $TMPDIR -type d -exec chmod 755 "{}" \;
$TOOLPATH/find $TMPDIR -type f -exec chmod 644 "{}" \;
$TOOLPATH/find $TMPDIR -exec chcon "u:object_r:system_file:s0" "{}" \;
# Stage 2
log_print "Bind mount module items"
$TOOLPATH/find $MOUNTINFO/system -type f 2>/dev/null | while read ITEM ; do
@ -423,7 +427,6 @@ case $1 in
$COREDIR/magiskhide/add com.google.android.gms.unstable
log_print "** Starting Magisk Hide"
/data/magisk/magiskhide
fi
;;