| #!/usr/bin/env python3 |
| # |
| # Copyright (C) 2023 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. |
| # |
| |
| import argparse |
| from pathlib import Path |
| import zipfile |
| from typing import List |
| import common |
| import tempfile |
| import shutil |
| |
| PARTITIONS_TO_WIPE = ["/dev/block/by-name/vbmeta", |
| "/dev/block/by-name/vbmeta_a", |
| "/dev/block/by-name/vbmeta_b", |
| "/dev/block/by-name/vbmeta_system_a", |
| "/dev/block/by-name/vbmeta_system_b", |
| "/dev/block/by-name/boot", |
| "/dev/block/by-name/boot_a", |
| "/dev/block/by-name/boot_b", |
| "/dev/block/by-name/vendor_boot", |
| "/dev/block/by-name/vendor_boot_a", |
| "/dev/block/by-name/vendor_boot_b", |
| "/dev/block/by-name/init_boot_a", |
| "/dev/block/by-name/init_boot_b", |
| "/dev/block/by-name/metadata", |
| "/dev/block/by-name/super", |
| "/dev/block/by-name/userdata"] |
| |
| |
| def CreateBrickOta(product_name: str, output_path: Path, extra_wipe_partitions: str, serialno: str): |
| partitions_to_wipe = PARTITIONS_TO_WIPE |
| if extra_wipe_partitions is not None: |
| partitions_to_wipe = PARTITIONS_TO_WIPE + extra_wipe_partitions.split(",") |
| # recovery requiers product name to be a | separated list |
| product_name = product_name.replace(",", "|") |
| with zipfile.ZipFile(output_path, "w") as zfp: |
| zfp.writestr("recovery.wipe", "\n".join(partitions_to_wipe)) |
| zfp.writestr("payload.bin", "") |
| zfp.writestr("META-INF/com/android/metadata", "\n".join( |
| ["ota-type=BRICK", "post-timestamp=9999999999", "pre-device=" + product_name, "serialno=" + serialno])) |
| |
| |
| def main(argv): |
| parser = argparse.ArgumentParser(description='Android Brick OTA generator') |
| parser.add_argument('otafile', metavar='PAYLOAD', type=str, |
| help='The output OTA package file.') |
| parser.add_argument('--product', type=str, |
| help='The product name of the device, for example, bramble, redfin.', required=True) |
| parser.add_argument('--serialno', type=str, |
| help='The serial number of devices that are allowed to install this OTA package. This can be a | separated list.') |
| parser.add_argument('--extra_wipe_partitions', type=str, |
| help='Additional partitions on device which should be wiped.') |
| parser.add_argument('-v', action="store_true", |
| help="Enable verbose logging", dest="verbose") |
| parser.add_argument('--package_key', type=str, |
| help='Paths to private key for signing payload') |
| parser.add_argument('--search_path', type=str, |
| help='Search path for framework/signapk.jar') |
| parser.add_argument('--private_key_suffix', type=str, |
| help='Suffix to be appended to package_key path', default=".pk8") |
| args = parser.parse_args(argv[1:]) |
| if args.search_path: |
| common.OPTIONS.search_path = args.search_path |
| if args.verbose: |
| common.OPTIONS.verbose = args.verbose |
| CreateBrickOta(args.product, args.otafile, |
| args.extra_wipe_partitions, args.serialno) |
| if args.package_key: |
| common.OPTIONS.private_key_suffix = args.private_key_suffix |
| with tempfile.NamedTemporaryFile() as tmpfile: |
| common.SignFile(args.otafile, tmpfile.name, |
| args.package_key, None, whole_file=True) |
| shutil.copy(tmpfile.name, args.otafile) |
| |
| |
| if __name__ == "__main__": |
| import sys |
| main(sys.argv) |