File: fsverity_init.sh

package info (click to toggle)
android-platform-system-core 1%3A10.0.0%2Br36-7
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 123,760 kB
  • sloc: cpp: 197,034; ansic: 18,211; asm: 3,606; sh: 3,180; python: 2,671; java: 693; xml: 266; makefile: 237
file content (29 lines) | stat: -rw-r--r-- 1,087 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
#!/system/bin/sh
#
# Copyright (C) 2019 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

# Enforce fsverity signature checking
echo 1 > /proc/sys/fs/verity/require_signatures

# Load all keys
for cert in /product/etc/security/fsverity/*.der; do
  /system/bin/mini-keyctl padd asymmetric fsv_product .fs-verity < "$cert" ||
    log -p e -t fsverity_init "Failed to load $cert"
done

# Prevent future key links to .fs-verity keyring
/system/bin/mini-keyctl restrict_keyring .fs-verity ||
  log -p e -t fsverity_init "Failed to restrict .fs-verity keyring"