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Refactor sepolicy.rules resolve

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We resolve available partitions for sepolicy.rules when patching
boot and bind mount the partition by magiskinit.

For older devices, the previous logic won't work because the part name
is never readable.

Co-authored-by: topjohnwu <topjohnwu@gmail.com>
This commit is contained in:
LoveSy
2023-02-12 16:36:38 +08:00
committed by GitHub
parent 03418ddcbf
commit 9e8c68af12
11 changed files with 151 additions and 144 deletions
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31
scripts/util_functions.sh
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@ -637,37 +637,14 @@ run_migrations() {
}
copy_sepolicy_rules() {
# Remove all existing rule folders
rm -rf /data/unencrypted/magisk /cache/magisk /metadata/magisk /persist/magisk /mnt/vendor/persist/magisk
# Find current active RULESDIR
local RULESDIR
local ACTIVEDIR=$(magisk --path)/.magisk/mirror/sepolicy.rules
if [ -L $ACTIVEDIR ]; then
RULESDIR=$(readlink $ACTIVEDIR)
[ "${RULESDIR:0:1}" != "/" ] && RULESDIR="$(magisk --path)/.magisk/mirror/$RULESDIR"
elif ! $ISENCRYPTED; then
RULESDIR=$NVBASE/modules
elif [ -d /data/unencrypted ] && ! grep ' /data ' /proc/mounts | grep -qE 'dm-|f2fs'; then
RULESDIR=/data/unencrypted/magisk
elif grep ' /cache ' /proc/mounts | grep -q 'ext4' ; then
RULESDIR=/cache/magisk
elif grep ' /metadata ' /proc/mounts | grep -q 'ext4' ; then
RULESDIR=/metadata/magisk
elif grep ' /persist ' /proc/mounts | grep -q 'ext4' ; then
RULESDIR=/persist/magisk
elif grep ' /mnt/vendor/persist ' /proc/mounts | grep -q 'ext4' ; then
RULESDIR=/mnt/vendor/persist/magisk
else
local RULESDIR=$(magisk --path)/.magisk/sepolicy.rules
if ! grep -q " $RULESDIR " /proc/mounts; then
ui_print "- Unable to find sepolicy rules dir"
return 1
fi
if [ -d ${RULESDIR%/magisk} ]; then
echo "RULESDIR=$RULESDIR" >&2
else
ui_print "- Unable to find sepolicy rules dir ${RULESDIR%/magisk}"
return 1
if ! grep -q "/adb/modules $RULESDIR " /proc/self/mountinfo; then
rm -rf $RULESDIR/*
fi
# Copy all enabled sepolicy.rule