1#!/system/bin/sh 2# 3# Copyright (C) 2019 The Android Open Source Project 4# 5# Licensed under the Apache License, Version 2.0 (the "License"); 6# you may not use this file except in compliance with the License. 7# You may obtain a copy of the License at 8# 9# http://www.apache.org/licenses/LICENSE-2.0 10# 11# Unless required by applicable law or agreed to in writing, software 12# distributed under the License is distributed on an "AS IS" BASIS, 13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14# See the License for the specific language governing permissions and 15# limitations under the License. 16# 17 18# Enforce fsverity signature checking 19echo 1 > /proc/sys/fs/verity/require_signatures 20 21# Load all keys 22for cert in /product/etc/security/fsverity/*.der; do 23 /system/bin/mini-keyctl padd asymmetric fsv_product .fs-verity < "$cert" || 24 log -p e -t fsverity_init "Failed to load $cert" 25done 26 27# Prevent future key links to .fs-verity keyring 28/system/bin/mini-keyctl restrict_keyring .fs-verity || 29 log -p e -t fsverity_init "Failed to restrict .fs-verity keyring" 30