Kris Rambish | 40d8651 | 2012-09-06 15:58:37 -0700 | [diff] [blame] | 1 | #!/bin/bash |
| 2 | # Copyright (c) 2012 The Chromium OS Authors. All rights reserved. |
| 3 | # Use of this source code is governed by a BSD-style license that can be |
| 4 | # found in the LICENSE file. |
| 5 | |
| 6 | # Script to increment kernel subkey for firmware updates. |
| 7 | # Used when revving versions for a firmware update. |
| 8 | |
| 9 | # Load common constants and variables. |
| 10 | . "$(dirname "$0")/common.sh" |
| 11 | |
| 12 | # Abort on errors. |
| 13 | set -e |
| 14 | |
| 15 | if [ $# -ne 1 ]; then |
| 16 | cat <<EOF |
| 17 | Usage: $0 <keyset directory> |
| 18 | |
| 19 | Increments the kernel subkey in the specified keyset. |
| 20 | EOF |
| 21 | exit 1 |
| 22 | fi |
| 23 | |
| 24 | KEY_DIR=$1 |
| 25 | |
| 26 | main() { |
Mike Frysinger | 8b42ac8 | 2012-10-17 01:05:50 -0400 | [diff] [blame] | 27 | load_current_versions "${KEY_DIR}" |
Kris Rambish | 40d8651 | 2012-09-06 15:58:37 -0700 | [diff] [blame] | 28 | new_firm_ver=$(increment_version "${KEY_DIR}" "firmware_version") |
| 29 | |
Mike Frysinger | 8b42ac8 | 2012-10-17 01:05:50 -0400 | [diff] [blame] | 30 | cd "${KEY_DIR}" |
Kris Rambish | 40d8651 | 2012-09-06 15:58:37 -0700 | [diff] [blame] | 31 | backup_existing_kernel_subkeys ${CURR_FIRM_VER} ${CURR_KERNKEY_VER} |
Kris Rambish | 40d8651 | 2012-09-06 15:58:37 -0700 | [diff] [blame] | 32 | |
| 33 | cat <<EOF |
Kris Rambish | 40bc7b7 | 2012-09-19 18:16:16 -0700 | [diff] [blame] | 34 | Generating new kernel subkey and new kernel keyblock. |
Kris Rambish | 40d8651 | 2012-09-06 15:58:37 -0700 | [diff] [blame] | 35 | |
| 36 | New Firmware version (due to kernel subkey change): ${new_firm_ver}. |
| 37 | EOF |
| 38 | make_pair kernel_subkey ${KERNEL_SUBKEY_ALGOID} ${new_firm_ver} |
Kris Rambish | 40d8651 | 2012-09-06 15:58:37 -0700 | [diff] [blame] | 39 | make_keyblock kernel $KERNEL_KEYBLOCK_MODE kernel_data_key kernel_subkey |
| 40 | |
| 41 | write_updated_version_file ${CURR_FIRMKEY_VER} ${new_firm_ver} \ |
| 42 | ${CURR_KERNKEY_VER} ${CURR_KERN_VER} |
| 43 | } |
| 44 | |
| 45 | main "$@" |