PlayIntegrityFix/module/service.sh
2024-03-06 16:30:03 +01:00

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# Conditional sensitive properties
resetprop_if_diff() {
local NAME="$1"
local EXPECTED="$2"
local CURRENT="$(resetprop "$NAME")"
[ -z "$CURRENT" ] || [ "$CURRENT" = "$EXPECTED" ] || resetprop "$NAME" "$EXPECTED"
}
resetprop_if_match() {
local NAME="$1"
local CONTAINS="$2"
local VALUE="$3"
[[ "$(resetprop "$NAME")" = *"$CONTAINS"* ]] && resetprop "$NAME" "$VALUE"
}
# Magisk recovery mode
resetprop_if_match ro.bootmode recovery unknown
resetprop_if_match ro.boot.mode recovery unknown
resetprop_if_match vendor.boot.mode recovery unknown
# SELinux
resetprop_if_diff ro.boot.selinux enforcing
# use delete since it can be 0 or 1 for enforcing depending on OEM
if [ -n "$(resetprop ro.build.selinux)" ]; then
resetprop --delete ro.build.selinux
fi
# use toybox to protect *stat* access time reading
if [ "$(toybox cat /sys/fs/selinux/enforce)" = "0" ]; then
chmod 640 /sys/fs/selinux/enforce
chmod 440 /sys/fs/selinux/policy
fi
# Late props which must be set after boot_completed
{
until [ "$(getprop sys.boot_completed)" = "1" ]; do
sleep 1
done
resetprop_if_diff ro.boot.flash.locked 1
resetprop_if_diff ro.boot.vbmeta.device_state locked
resetprop_if_diff ro.boot.verifiedbootstate green
resetprop_if_diff ro.boot.veritymode enforcing
resetprop_if_diff vendor.boot.verifiedbootstate green
resetprop_if_diff vendor.boot.vbmeta.device_state locked
resetprop_if_diff ro.crypto.state encrypted
resetprop_if_diff ro.secureboot.lockstate locked
resetprop_if_diff ro.boot.realmebootstate green
}&