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Fixed various Magic Mount bugs

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This commit is contained in:
topjohnwu 2017-01-01 19:45:06 +08:00
parent f9fea265cf
commit 198b14e5fc
1 changed files with 33 additions and 27 deletions
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60
scripts/magic_mask.sh
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@ -2,6 +2,7 @@
LOGFILE=/cache/magisk.log
IMG=/data/magisk.img
BLACKLIST="/system/lib /system/lib64 /system/etc /vendor/lib /vendor/lib64"
MOUNTPOINT=/magisk
@ -17,13 +18,9 @@ MOUNTINFO=$TMPDIR/mnt
TOOLPATH=/data/busybox
BINPATH=/data/magisk
export OLDPATH=$PATH
export PATH=$TOOLPATH:$OLDPATH
# Default permissions
umask 022
log_print() {
echo "$1"
echo "$1" >> $LOGFILE
@ -39,6 +36,13 @@ mktouch() {
fi
}
in_list() {
for i in $2; do
[ "$1" = "$i" ] && return 0
done
return 1
}
unblock() {
touch /dev/.magisk.unblock
exit
@ -117,6 +121,9 @@ travel() {
}
clone_dummy() {
LINK=true
in_list $1 "$BLACKLIST" && LINK=false
for ITEM in $MIRRDIR$1/* ; do
REAL=${ITEM#$MIRRDIR}
if [ -d $MOUNTINFO$REAL ]; then
@ -128,13 +135,16 @@ clone_dummy() {
# Copy original symlink
cp -afc $ITEM $DUMMDIR$REAL
else
if [ -d $ITEM ]; then
mkdir -p $DUMMDIR$REAL
if $LINK && [ ! -e $MOUNTINFO$REAL ]; then
ln -s $MIRRDIR$REAL $DUMMDIR$REAL
else
mktouch $DUMMDIR$REAL
if [ -d $ITEM ]; then
mkdir -p $DUMMDIR$REAL
else
mktouch $DUMMDIR$REAL
fi
[ ! -e $MOUNTINFO$REAL ] && mktouch $MOUNTINFO/mirror$REAL
fi
# Mount the mirror if not module item
[ ! -e $MOUNTINFO$REAL ] && mktouch $MOUNTINFO/mirror$REAL
fi
fi
done
@ -247,12 +257,15 @@ case $1 in
post-fs-data )
# /data not mounted yet
! mount | grep " /data " && unblock
mount | grep " /data " | grep "tmpfs" && unblock
! mount | grep " /data " >/dev/null && unblock
mount | grep " /data " | grep "tmpfs" >/dev/null && unblock
# Don't run twice
if [ "`getprop magisk.restart_pfsd`" != "1" ]; then
export OLDPATH=$PATH
export PATH=$TOOLPATH:$OLDPATH
log_print "** Magisk post-fs-data mode running..."
# Cache support
@ -297,10 +310,11 @@ case $1 in
# Remove empty directories, legacy paths, symlinks, old temporary images
find $MOUNTPOINT -type d -depth ! -path "*core*" -exec rmdir {} \; 2>/dev/null
rm -rf $COREDIR/bin $COREDIR/dummy $COREDIR/mirror /data/magisk/*.img
rm -rf $COREDIR/bin $COREDIR/dummy $COREDIR/mirror /data/magisk/*.img 2>/dev/null
# Remove modules that is labeled to be removed
for MOD in $MOUNTPOINT/* ; do
rm -f $MOD/system/placeholder 2>/dev/null
if [ -f $MOD/remove ] || [ $MOD = zzsupersu ]; then
log_print "Remove module: $MOD"
rm -rf $MOD
@ -329,6 +343,9 @@ case $1 in
mkdir -p $DUMMDIR
mkdir -p $MIRRDIR/system
# Remove crap folder
rm -rf $MOUNTPOINT/lost+found
# Travel through all mods
for MOD in $MOUNTPOINT/* ; do
if [ -f $MOD/auto_mount -a -d $MOD/system -a ! -f $MOD/disable ]; then
@ -345,18 +362,6 @@ case $1 in
cp -afc /system/bin/linker* /system/bin/t*box $DUMMDIR/system/bin/
fi
DISABLEHIDE=false
for i in /system /system/lib /system/lib64 /system/vendor /system/vendor/lib /system/vendor/lib64; do
[ -f $MOUNTINFO/dummy$1 ] && DISABLEHIDE=true && break
done
# Crash prevention!!
$DISABLEHIDE && rm -f $COREDIR/magiskhide/enable 2>/dev/null
# Remove crap folder
rm -rf $MOUNTPOINT/lost+found
# Start doing tasks
# Stage 1
@ -371,9 +376,10 @@ case $1 in
else
ln -s $MIRRDIR/system/vendor $MIRRDIR/vendor
fi
# Since mirrors always exist, we load libraries from mirrors
LD_LIBRARY_PATH=$MIRRDIR/system/lib:$MIRRDIR/vendor/lib
[ -d /system/lib64 ] LD_LIBRARY_PATH=$MIRRDIR/system/lib64:$MIRRDIR/vendor/lib64
export LD_LIBRARY_PATH=$MIRRDIR/system/lib:$MIRRDIR/vendor/lib
[ -d /system/lib64 ] && export LD_LIBRARY_PATH=$MIRRDIR/system/lib64:$MIRRDIR/vendor/lib64
# Stage 2
log_print "* Stage 2: Mount dummy skeletons"
@ -457,7 +463,7 @@ case $1 in
# Add Safety Net preset
$COREDIR/magiskhide/add com.google.android.gms.unstable
log_print "* Starting Magisk Hide"
/data/magisk/magiskhide
/data/magisk/magiskhide --daemon
fi
;;