2016-09-14 10:31:13 +08:00
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#!/system/bin/sh
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LOGFILE=/cache/magisk.log
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IMG=/data/magisk.img
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2016-10-30 06:49:29 +08:00
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MOUNTPOINT=/magisk
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2016-10-06 17:53:52 +08:00
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COREDIR=$MOUNTPOINT/.core
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2016-09-14 10:31:13 +08:00
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2016-10-30 06:49:29 +08:00
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TMPDIR=/dev/magisk
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DUMMDIR=$TMPDIR/dummy
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MIRRDIR=$TMPDIR/mirror
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MOUNTINFO=$TMPDIR/mnt
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2016-09-14 10:31:13 +08:00
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2016-10-30 06:49:29 +08:00
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# Use the included busybox for maximum compatibility and reliable results
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# e.g. we rely on the option "-c" for cp (reserve contexts), and -exec for find
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TOOLPATH=/data/busybox
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2016-11-05 02:38:02 +08:00
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BINPATH=/data/magisk
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2016-09-14 10:31:13 +08:00
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2016-10-30 06:49:29 +08:00
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# Legacy support for old phh, we don't change PATH now
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2016-11-05 02:38:02 +08:00
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# Will remove in the next release
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2016-10-03 04:34:50 +08:00
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export OLDPATH=$PATH
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2016-10-30 06:49:29 +08:00
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2016-09-14 10:31:13 +08:00
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log_print() {
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2016-11-01 04:21:43 +08:00
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echo "$1"
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echo "$1" >> $LOGFILE
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2016-09-14 10:31:13 +08:00
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log -p i -t Magisk "$1"
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}
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mktouch() {
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mkdir -p ${1%/*} 2>/dev/null
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if [ -z "$2" ]; then
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touch $1 2>/dev/null
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else
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echo $2 > $1 2>/dev/null
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fi
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}
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unblock() {
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2016-10-03 04:34:50 +08:00
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touch /dev/.magisk.unblock
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2016-09-14 10:31:13 +08:00
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exit
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}
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run_scripts() {
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2016-10-06 17:53:52 +08:00
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BASE=$MOUNTPOINT
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2016-09-14 10:31:13 +08:00
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for MOD in $BASE/* ; do
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if [ ! -f "$MOD/disable" ]; then
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if [ -f "$MOD/$1.sh" ]; then
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chmod 755 $MOD/$1.sh
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2016-11-06 04:47:54 +08:00
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chcon "u:object_r:system_file:s0" "$MOD/$1.sh"
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2016-09-14 10:31:13 +08:00
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log_print "$1: $MOD/$1.sh"
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2016-10-30 06:49:29 +08:00
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sh $MOD/$1.sh
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2016-09-14 10:31:13 +08:00
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fi
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fi
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done
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}
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loopsetup() {
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LOOPDEVICE=
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for DEV in $(ls /dev/block/loop*); do
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2016-10-30 06:49:29 +08:00
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if [ `$TOOLPATH/losetup $DEV $1 >/dev/null 2>&1; echo $?` -eq 0 ]; then
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2016-09-14 10:31:13 +08:00
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LOOPDEVICE=$DEV
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break
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fi
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done
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}
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target_size_check() {
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e2fsck -p -f $1
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curBlocks=`e2fsck -n $1 2>/dev/null | cut -d, -f3 | cut -d\ -f2`;
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curUsedM=$((`echo "$curBlocks" | cut -d/ -f1` * 4 / 1024));
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curSizeM=$((`echo "$curBlocks" | cut -d/ -f2` * 4 / 1024));
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curFreeM=$((curSizeM - curUsedM));
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}
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travel() {
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2016-11-06 04:47:54 +08:00
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cd "$1/$2"
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2016-09-14 10:31:13 +08:00
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if [ -f ".replace" ]; then
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2016-11-06 04:47:54 +08:00
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rm -rf "$MOUNTINFO/$2"
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mktouch "$MOUNTINFO/$2" "$1"
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2016-09-14 10:31:13 +08:00
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else
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for ITEM in * ; do
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if [ ! -e "/$2/$ITEM" ]; then
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# New item found
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2016-11-06 04:47:54 +08:00
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if [ "$2" = "system" ]; then
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2016-09-14 10:31:13 +08:00
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# We cannot add new items to /system root, delete it
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2016-11-06 04:47:54 +08:00
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rm -rf "$ITEM"
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2016-09-14 10:31:13 +08:00
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else
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2016-11-06 04:47:54 +08:00
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# If we are in a higher level, delete the lower levels
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rm -rf "$MOUNTINFO/dummy/$2"
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2016-09-14 10:31:13 +08:00
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# Mount the dummy parent
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2016-11-06 04:47:54 +08:00
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mktouch "$MOUNTINFO/dummy/$2"
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2016-09-14 10:31:13 +08:00
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if [ -d "$ITEM" ]; then
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2016-11-06 04:47:54 +08:00
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# Create new dummy directory and mount it
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mkdir -p "$DUMMDIR/$2/$ITEM"
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mktouch "$MOUNTINFO/$2/$ITEM" "$1"
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2016-09-14 10:31:13 +08:00
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elif [ -L "$ITEM" ]; then
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# Symlinks are small, copy them
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2016-11-06 04:47:54 +08:00
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mkdir -p "$DUMMDIR/$2" 2>/dev/null
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$TOOLPATH/cp -afc "$ITEM" "$DUMMDIR/$2/$ITEM"
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2016-09-14 10:31:13 +08:00
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else
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2016-11-06 04:47:54 +08:00
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# Create new dummy file and mount it
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mktouch "$DUMMDIR/$2/$ITEM"
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mktouch "$MOUNTINFO/$2/$ITEM" "$1"
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2016-09-14 10:31:13 +08:00
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fi
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fi
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2016-11-06 04:47:54 +08:00
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else
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if [ -d "$ITEM" ]; then
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# It's an directory, travel deeper
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(travel "$1" "$2/$ITEM")
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elif [ ! -L "$ITEM" ]; then
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# Mount this file
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mktouch "$MOUNTINFO/$2/$ITEM" "$1"
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fi
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2016-09-14 10:31:13 +08:00
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fi
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2016-11-06 04:47:54 +08:00
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done
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fi
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}
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2016-09-14 10:31:13 +08:00
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2016-11-06 04:47:54 +08:00
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clone_dummy() {
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for ITEM in "$1/"* ; do
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if [ -d "$DUMMDIR$ITEM" ]; then
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(clone_dummy "$ITEM")
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else
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2016-09-14 10:31:13 +08:00
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if [ -d "$ITEM" ]; then
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2016-11-06 04:47:54 +08:00
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# Create dummy directory
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mkdir -p "$DUMMDIR$ITEM"
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elif [ -L "$ITEM" ]; then
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# Symlinks are small, copy them
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$TOOLPATH/cp -afc "$ITEM" "$DUMMDIR$ITEM"
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else
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# Create dummy file
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mktouch "$DUMMDIR$ITEM"
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2016-09-14 10:31:13 +08:00
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fi
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2016-11-06 04:47:54 +08:00
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fi
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done
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2016-09-14 10:31:13 +08:00
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}
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bind_mount() {
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if [ -e "$1" -a -e "$2" ]; then
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mount -o bind $1 $2
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2016-10-06 17:53:52 +08:00
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if [ "$?" -eq "0" ]; then
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log_print "Mount: $1"
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else
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log_print "Mount Fail: $1"
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fi
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2016-09-14 10:31:13 +08:00
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fi
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}
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merge_image() {
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if [ -f "$1" ]; then
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log_print "$1 found"
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if [ -f "$IMG" ]; then
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log_print "$IMG found, attempt to merge"
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# Handle large images
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target_size_check $1
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MERGEUSED=$curUsedM
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target_size_check $IMG
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if [ "$MERGEUSED" -gt "$curFreeM" ]; then
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NEWDATASIZE=$((((MERGEUSED + curUsedM) / 32 + 2) * 32))
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log_print "Expanding $IMG to ${NEWDATASIZE}M..."
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resize2fs $IMG ${NEWDATASIZE}M
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fi
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# Start merging
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mkdir /cache/data_img
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mkdir /cache/merge_img
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# setup loop devices
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loopsetup $IMG
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LOOPDATA=$LOOPDEVICE
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log_print "$LOOPDATA $IMG"
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loopsetup $1
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LOOPMERGE=$LOOPDEVICE
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log_print "$LOOPMERGE $1"
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if [ ! -z "$LOOPDATA" ]; then
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if [ ! -z "$LOOPMERGE" ]; then
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# if loop devices have been setup, mount images
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OK=true
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if [ `mount -t ext4 -o rw,noatime $LOOPDATA /cache/data_img >/dev/null 2>&1; echo $?` -ne 0 ]; then
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OK=false
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fi
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if [ `mount -t ext4 -o rw,noatime $LOOPMERGE /cache/merge_img >/dev/null 2>&1; echo $?` -ne 0 ]; then
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OK=false
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fi
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if ($OK); then
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# Merge (will reserve selinux contexts)
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2016-10-03 04:34:50 +08:00
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cd /cache/merge_img
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for MOD in *; do
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2016-10-30 06:49:29 +08:00
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if [ "$MOD" != "lost+found" ]; then
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log_print "Merging: $MOD"
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rm -rf /cache/data_img/$MOD
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$TOOLPATH/cp -afc $MOD /cache/data_img/
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fi
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2016-10-03 04:34:50 +08:00
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done
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2016-10-30 06:49:29 +08:00
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$TOOLPATH/cp -afc .core/. /cache/data_img/.core 2>/dev/null
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2016-10-03 04:34:50 +08:00
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log_print "Merge complete"
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2016-09-14 10:31:13 +08:00
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fi
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umount /cache/data_img
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umount /cache/merge_img
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fi
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fi
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2016-10-30 06:49:29 +08:00
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$TOOLPATH/losetup -d $LOOPDATA
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$TOOLPATH/losetup -d $LOOPMERGE
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2016-09-14 10:31:13 +08:00
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rmdir /cache/data_img
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rmdir /cache/merge_img
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else
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log_print "Moving $1 to $IMG "
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mv $1 $IMG
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fi
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rm -f $1
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fi
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}
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case $1 in
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post-fs )
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mv $LOGFILE /cache/last_magisk.log
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touch $LOGFILE
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chmod 644 $LOGFILE
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2016-10-30 06:49:29 +08:00
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# No more cache mods!
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# Only for multirom!
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2016-09-14 10:31:13 +08:00
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2016-11-05 02:38:02 +08:00
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# log_print "** Magisk post-fs mode running..."
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2016-11-07 23:57:21 +08:00
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# Cleanup previous stuffs...
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rm -rf /cache/magisk /cache/magisk_merge /cache/magiskhide.log
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2016-11-05 02:38:02 +08:00
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2016-09-14 10:31:13 +08:00
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unblock
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;;
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post-fs-data )
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if [ `mount | grep " /data " >/dev/null 2>&1; echo $?` -ne 0 ]; then
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# /data not mounted yet, we will be called again later
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unblock
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fi
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if [ `mount | grep " /data " | grep "tmpfs" >/dev/null 2>&1; echo $?` -eq 0 ]; then
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# /data not mounted yet, we will be called again later
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unblock
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fi
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2016-10-30 06:49:29 +08:00
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# Don't run twice
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2016-11-05 02:38:02 +08:00
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if [ "`getprop magisk.restart_pfsd`" != "1" ]; then
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2016-09-14 10:31:13 +08:00
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2016-11-01 04:21:43 +08:00
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log_print "** Magisk post-fs-data mode running..."
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2016-10-03 04:34:50 +08:00
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2016-10-30 06:49:29 +08:00
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# Live patch sepolicy
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2016-11-05 02:38:02 +08:00
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$BINPATH/sepolicy-inject --live -s su
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# Multirom functions should go here, not available right now
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MULTIROM=false
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2016-10-06 17:53:52 +08:00
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2016-10-30 06:49:29 +08:00
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# Cache support
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if [ -d "/cache/data_bin" ]; then
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2016-11-05 02:38:02 +08:00
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rm -rf $BINPATH $TOOLPATH
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mkdir -p $TOOLPATH
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mv /cache/data_bin $BINPATH
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chmod -R 755 $BINPATH $TOOLPATH
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$BINPATH/busybox --install -s $TOOLPATH
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ln -s $BINPATH/busybox $TOOLPATH/busybox
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2016-10-30 06:49:29 +08:00
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# Prevent issues
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2016-11-05 02:38:02 +08:00
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rm -f $TOOLPATH/su $TOOLPATH/sh
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2016-09-14 10:31:13 +08:00
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fi
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2016-10-30 06:49:29 +08:00
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mv /cache/stock_boot.img /data 2>/dev/null
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2016-09-14 10:31:13 +08:00
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2016-11-06 04:47:54 +08:00
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chcon -R "u:object_r:system_file:s0" $BINPATH $TOOLPATH
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2016-09-14 10:31:13 +08:00
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2016-10-30 06:49:29 +08:00
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# Image merging
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chmod 644 $IMG /cache/magisk.img /data/magisk_merge.img 2>/dev/null
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merge_image /cache/magisk.img
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merge_image /data/magisk_merge.img
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2016-09-14 10:31:13 +08:00
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2016-10-30 06:49:29 +08:00
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# Mount magisk.img
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[ ! -d "$MOUNTPOINT" ] && mkdir -p $MOUNTPOINT
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if [ `cat /proc/mounts | grep $MOUNTPOINT >/dev/null 2>&1; echo $?` -ne 0 ]; then
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loopsetup $IMG
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if [ ! -z "$LOOPDEVICE" ]; then
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mount -t ext4 -o rw,noatime $LOOPDEVICE $MOUNTPOINT
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fi
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2016-09-14 10:31:13 +08:00
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fi
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2016-10-30 06:49:29 +08:00
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if [ `cat /proc/mounts | grep $MOUNTPOINT >/dev/null 2>&1; echo $?` -ne 0 ]; then
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log_print "magisk.img mount failed, nothing to do :("
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unblock
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2016-09-14 10:31:13 +08:00
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fi
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2016-11-05 02:38:02 +08:00
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# Remove empty directories, legacy paths and symlinks
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2016-10-30 06:49:29 +08:00
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rm -rf $COREDIR/bin $COREDIR/dummy $COREDIR/mirror
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$TOOLPATH/find $MOUNTPOINT -type d -depth ! -path "*core*" -exec rmdir {} \; 2>/dev/null
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2016-09-14 10:31:13 +08:00
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2016-10-30 06:49:29 +08:00
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# Remove modules
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for MOD in $MOUNTPOINT/* ; do
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if [ -f "$MOD/remove" ]; then
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log_print "Remove module: $MOD"
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rm -rf $MOD
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fi
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done
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# Unmount, shrink, remount
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if [ `umount $MOUNTPOINT >/dev/null 2>&1; echo $?` -eq 0 ]; then
|
|
|
|
$TOOLPATH/losetup -d $LOOPDEVICE
|
|
|
|
target_size_check $IMG
|
|
|
|
NEWDATASIZE=$(((curUsedM / 32 + 2) * 32))
|
|
|
|
if [ "$curSizeM" -gt "$NEWDATASIZE" ]; then
|
|
|
|
log_print "Shrinking $IMG to ${NEWDATASIZE}M..."
|
|
|
|
resize2fs $IMG ${NEWDATASIZE}M
|
|
|
|
fi
|
|
|
|
loopsetup $IMG
|
|
|
|
if [ ! -z "$LOOPDEVICE" ]; then
|
|
|
|
mount -t ext4 -o rw,noatime $LOOPDEVICE $MOUNTPOINT
|
|
|
|
fi
|
|
|
|
if [ `cat /proc/mounts | grep $MOUNTPOINT >/dev/null 2>&1; echo $?` -ne 0 ]; then
|
|
|
|
log_print "magisk.img mount failed, nothing to do :("
|
|
|
|
unblock
|
|
|
|
fi
|
|
|
|
fi
|
2016-09-14 10:31:13 +08:00
|
|
|
|
2016-10-30 06:49:29 +08:00
|
|
|
log_print "Preparing modules"
|
2016-09-14 10:31:13 +08:00
|
|
|
|
2016-10-30 06:49:29 +08:00
|
|
|
mkdir -p $DUMMDIR
|
|
|
|
mkdir -p $MIRRDIR/system
|
2016-09-14 10:31:13 +08:00
|
|
|
|
2016-11-05 02:38:02 +08:00
|
|
|
# Travel through all mods, all magic happens here
|
2016-10-30 06:49:29 +08:00
|
|
|
for MOD in $MOUNTPOINT/* ; do
|
|
|
|
if [ -f "$MOD/auto_mount" -a -d "$MOD/system" -a ! -f "$MOD/disable" ]; then
|
|
|
|
(travel $MOD system)
|
|
|
|
fi
|
|
|
|
done
|
|
|
|
|
|
|
|
# linker(64), t*box, and app_process* are required if we need to dummy mount bin folder
|
|
|
|
if [ -f "$MOUNTINFO/dummy/system/bin" ]; then
|
|
|
|
rm -f $DUMMDIR/system/bin/linker* $DUMMDIR/system/bin/t*box $DUMMDIR/system/bin/app_process*
|
|
|
|
cd /system/bin
|
|
|
|
$TOOLPATH/cp -afc linker* t*box app_process* $DUMMDIR/system/bin/
|
|
|
|
fi
|
2016-09-14 10:31:13 +08:00
|
|
|
|
2016-10-30 06:49:29 +08:00
|
|
|
# Remove crap folder
|
|
|
|
rm -rf $MOUNTPOINT/lost+found
|
|
|
|
|
|
|
|
# Start doing tasks
|
|
|
|
|
|
|
|
# Stage 1
|
|
|
|
log_print "Bind mount dummy system"
|
|
|
|
$TOOLPATH/find $MOUNTINFO/dummy -type f 2>/dev/null | while read ITEM ; do
|
|
|
|
TARGET=${ITEM#$MOUNTINFO/dummy}
|
2016-11-06 04:47:54 +08:00
|
|
|
ORIG="$DUMMDIR$TARGET"
|
|
|
|
clone_dummy "$TARGET"
|
|
|
|
bind_mount "$ORIG" "$TARGET"
|
2016-10-30 06:49:29 +08:00
|
|
|
done
|
|
|
|
|
2016-11-06 04:47:54 +08:00
|
|
|
# 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" "{}" \;
|
|
|
|
|
2016-10-30 06:49:29 +08:00
|
|
|
# Stage 2
|
|
|
|
log_print "Bind mount module items"
|
|
|
|
$TOOLPATH/find $MOUNTINFO/system -type f 2>/dev/null | while read ITEM ; do
|
|
|
|
TARGET=${ITEM#$MOUNTINFO}
|
|
|
|
ORIG=`cat $ITEM`$TARGET
|
|
|
|
bind_mount $ORIG $TARGET
|
|
|
|
rm -f $DUMMDIR${TARGET%/*}/.dummy 2>/dev/null
|
|
|
|
done
|
|
|
|
|
|
|
|
# Run scripts
|
|
|
|
run_scripts post-fs-data
|
|
|
|
|
|
|
|
# Bind hosts for Adblock apps
|
|
|
|
[ ! -f "$COREDIR/hosts" ] && $TOOLPATH/cp -afc /system/etc/hosts $COREDIR/hosts
|
|
|
|
log_print "Enabling systemless hosts file support"
|
|
|
|
bind_mount $COREDIR/hosts /system/etc/hosts
|
|
|
|
|
|
|
|
# Stage 3
|
|
|
|
log_print "Bind mount system mirror"
|
|
|
|
bind_mount /system $MIRRDIR/system
|
|
|
|
|
|
|
|
# Stage 4
|
|
|
|
log_print "Bind mount mirror items"
|
|
|
|
# Find all empty directores and dummy files, they should be mounted by original files in /system
|
|
|
|
TOOLPATH=/data/busybox $TOOLPATH/find $DUMMDIR -type d \
|
2016-11-05 02:38:02 +08:00
|
|
|
-exec sh -c '[ -z "`$TOOLPATH/ls -A $1`" ] && echo $1' -- {} \; \
|
2016-10-30 06:49:29 +08:00
|
|
|
-o \( -type f -size 0 -print \) | \
|
|
|
|
while read ITEM ; do
|
|
|
|
ORIG=${ITEM/dummy/mirror}
|
|
|
|
TARGET=${ITEM#$DUMMDIR}
|
|
|
|
bind_mount $ORIG $TARGET
|
|
|
|
done
|
|
|
|
|
2016-11-05 02:38:02 +08:00
|
|
|
# Restart post-fs-data if necessary (multirom)
|
|
|
|
($MULTIROM) && setprop magisk.restart_pfsd 1
|
2016-10-30 06:49:29 +08:00
|
|
|
|
|
|
|
fi
|
2016-09-14 10:31:13 +08:00
|
|
|
unblock
|
|
|
|
;;
|
|
|
|
|
|
|
|
service )
|
2016-10-03 04:34:50 +08:00
|
|
|
# Version info
|
2016-10-30 19:11:26 +08:00
|
|
|
MAGISK_VERSION_STUB
|
2016-11-01 04:21:43 +08:00
|
|
|
log_print "** Magisk late_start service mode running..."
|
2016-09-14 10:31:13 +08:00
|
|
|
run_scripts service
|
2016-10-06 04:31:59 +08:00
|
|
|
|
2016-11-05 02:38:02 +08:00
|
|
|
# Hide Safety Net
|
2016-11-01 04:21:43 +08:00
|
|
|
if [ -f "$COREDIR/magiskhide/enable" ]; then
|
2016-11-05 02:38:02 +08:00
|
|
|
log_print "** Removing tampered read-only system props"
|
|
|
|
|
|
|
|
VERIFYBOOT=`getprop ro.boot.verifiedbootstate`
|
|
|
|
FLASHLOCKED=`getprop ro.boot.flash.locked`
|
|
|
|
VERITYMODE=`getprop ro.boot.veritymode`
|
|
|
|
|
|
|
|
[ ! -z "$VERIFYBOOT" -a "$VERIFYBOOT" != "green" ] && log_print "`$BINPATH/resetprop -v -n ro.boot.verifiedbootstate green`"
|
|
|
|
[ ! -z "$FLASHLOCKED" -a "$FLASHLOCKED" != "1" ] && log_print "`$BINPATH/resetprop -v -n ro.boot.flash.locked 1`"
|
|
|
|
[ ! -z "$VERITYMODE" -a "$VERITYMODE" != "enforcing" ] && log_print "`$BINPATH/resetprop -v -n ro.boot.veritymode enforcing`"
|
|
|
|
|
|
|
|
mktouch $COREDIR/magiskhide/hidelist
|
2016-11-01 04:21:43 +08:00
|
|
|
chmod -R 755 $COREDIR/magiskhide
|
|
|
|
# Add Safety Net preset
|
|
|
|
$COREDIR/magiskhide/add com.google.android.gms.unstable
|
|
|
|
log_print "** Starting Magisk Hide"
|
|
|
|
/data/magisk/magiskhide
|
2016-10-06 17:53:52 +08:00
|
|
|
fi
|
2016-09-14 10:31:13 +08:00
|
|
|
;;
|
|
|
|
|
|
|
|
esac
|