1085 lines
39 KiB
Python
1085 lines
39 KiB
Python
#!/usr/bin/env python
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#
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# Copyright (C) 2014 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""
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Given a target-files zipfile that does not contain images (ie, does
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not have an IMAGES/ top-level subdirectory), produce the images and
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add them to the zipfile.
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Usage: add_img_to_target_files [flag] target_files
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-a (--add_missing)
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Build and add missing images to "IMAGES/". If this option is
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not specified, this script will simply exit when "IMAGES/"
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directory exists in the target file.
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-r (--rebuild_recovery)
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Rebuild the recovery patch and write it to the system image. Only
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meaningful when system image needs to be rebuilt and there're separate
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boot / recovery images.
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--replace_verity_private_key
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Replace the private key used for verity signing. (same as the option
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in sign_target_files_apks)
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--replace_verity_public_key
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Replace the certificate (public key) used for verity verification. (same
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as the option in sign_target_files_apks)
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--is_signing
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Skip building & adding the images for "userdata" and "cache" if we
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are signing the target files.
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"""
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from __future__ import print_function
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import datetime
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import logging
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import os
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import shlex
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import shutil
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import stat
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import sys
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import uuid
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import tempfile
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import zipfile
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import build_image
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import build_super_image
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import common
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import verity_utils
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import ota_metadata_pb2
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from apex_utils import GetApexInfoFromTargetFiles
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from common import AddCareMapForAbOta
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if sys.hexversion < 0x02070000:
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print("Python 2.7 or newer is required.", file=sys.stderr)
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sys.exit(1)
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logger = logging.getLogger(__name__)
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OPTIONS = common.OPTIONS
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OPTIONS.add_missing = False
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OPTIONS.rebuild_recovery = False
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OPTIONS.replace_updated_files_list = []
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OPTIONS.replace_verity_public_key = False
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OPTIONS.replace_verity_private_key = False
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OPTIONS.is_signing = False
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# Use a fixed timestamp (01/01/2009 00:00:00 UTC) for files when packaging
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# images. (b/24377993, b/80600931)
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FIXED_FILE_TIMESTAMP = int((
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datetime.datetime(2009, 1, 1, 0, 0, 0, 0, None) -
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datetime.datetime.utcfromtimestamp(0)).total_seconds())
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class OutputFile(object):
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"""A helper class to write a generated file to the given dir or zip.
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When generating images, we want the outputs to go into the given zip file, or
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the given dir.
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Attributes:
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name: The name of the output file, regardless of the final destination.
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"""
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def __init__(self, output_zip, input_dir, *args):
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# We write the intermediate output file under the given input_dir, even if
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# the final destination is a zip archive.
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self.name = os.path.join(input_dir, *args)
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self._output_zip = output_zip
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if self._output_zip:
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self._zip_name = os.path.join(*args)
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def Write(self, compress_type=None):
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if self._output_zip:
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common.ZipWrite(self._output_zip, self.name,
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self._zip_name, compress_type=compress_type)
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def AddSystem(output_zip, recovery_img=None, boot_img=None):
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"""Turn the contents of SYSTEM into a system image and store it in
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output_zip. Returns the name of the system image file."""
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img = OutputFile(output_zip, OPTIONS.input_tmp, "IMAGES", "system.img")
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if os.path.exists(img.name):
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logger.info("system.img already exists; no need to rebuild...")
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return img.name
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def output_sink(fn, data):
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output_file = os.path.join(OPTIONS.input_tmp, "SYSTEM", fn)
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with open(output_file, "wb") as ofile:
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ofile.write(data)
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if output_zip:
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arc_name = "SYSTEM/" + fn
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if arc_name in output_zip.namelist():
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OPTIONS.replace_updated_files_list.append(arc_name)
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else:
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common.ZipWrite(output_zip, output_file, arc_name)
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board_uses_vendorimage = OPTIONS.info_dict.get(
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"board_uses_vendorimage") == "true"
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if (OPTIONS.rebuild_recovery and not board_uses_vendorimage and
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recovery_img is not None and boot_img is not None):
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logger.info("Building new recovery patch on system at system/vendor")
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common.MakeRecoveryPatch(OPTIONS.input_tmp, output_sink, recovery_img,
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boot_img, info_dict=OPTIONS.info_dict)
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block_list = OutputFile(output_zip, OPTIONS.input_tmp,
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"IMAGES", "system.map")
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CreateImage(OPTIONS.input_tmp, OPTIONS.info_dict, "system", img,
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block_list=block_list)
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return img.name
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def AddSystemOther(output_zip):
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"""Turn the contents of SYSTEM_OTHER into a system_other image
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and store it in output_zip."""
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img = OutputFile(output_zip, OPTIONS.input_tmp, "IMAGES", "system_other.img")
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if os.path.exists(img.name):
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logger.info("system_other.img already exists; no need to rebuild...")
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return
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CreateImage(OPTIONS.input_tmp, OPTIONS.info_dict, "system_other", img)
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def AddVendor(output_zip, recovery_img=None, boot_img=None):
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"""Turn the contents of VENDOR into a vendor image and store in it
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output_zip."""
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img = OutputFile(output_zip, OPTIONS.input_tmp, "IMAGES", "vendor.img")
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if os.path.exists(img.name):
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logger.info("vendor.img already exists; no need to rebuild...")
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return img.name
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def output_sink(fn, data):
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ofile = open(os.path.join(OPTIONS.input_tmp, "VENDOR", fn), "w")
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ofile.write(data)
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ofile.close()
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if output_zip:
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arc_name = "VENDOR/" + fn
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if arc_name in output_zip.namelist():
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OPTIONS.replace_updated_files_list.append(arc_name)
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else:
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common.ZipWrite(output_zip, ofile.name, arc_name)
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board_uses_vendorimage = OPTIONS.info_dict.get(
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"board_uses_vendorimage") == "true"
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if (OPTIONS.rebuild_recovery and board_uses_vendorimage and
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recovery_img is not None and boot_img is not None):
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logger.info("Building new recovery patch on vendor")
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common.MakeRecoveryPatch(OPTIONS.input_tmp, output_sink, recovery_img,
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boot_img, info_dict=OPTIONS.info_dict)
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block_list = OutputFile(output_zip, OPTIONS.input_tmp,
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"IMAGES", "vendor.map")
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CreateImage(OPTIONS.input_tmp, OPTIONS.info_dict, "vendor", img,
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block_list=block_list)
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return img.name
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def AddProduct(output_zip):
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"""Turn the contents of PRODUCT into a product image and store it in
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output_zip."""
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img = OutputFile(output_zip, OPTIONS.input_tmp, "IMAGES", "product.img")
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if os.path.exists(img.name):
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logger.info("product.img already exists; no need to rebuild...")
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return img.name
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block_list = OutputFile(
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output_zip, OPTIONS.input_tmp, "IMAGES", "product.map")
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CreateImage(
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OPTIONS.input_tmp, OPTIONS.info_dict, "product", img,
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block_list=block_list)
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return img.name
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def AddSystemExt(output_zip):
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"""Turn the contents of SYSTEM_EXT into a system_ext image and store it in
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output_zip."""
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img = OutputFile(output_zip, OPTIONS.input_tmp, "IMAGES",
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"system_ext.img")
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if os.path.exists(img.name):
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logger.info("system_ext.img already exists; no need to rebuild...")
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return img.name
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block_list = OutputFile(
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output_zip, OPTIONS.input_tmp, "IMAGES", "system_ext.map")
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CreateImage(
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OPTIONS.input_tmp, OPTIONS.info_dict, "system_ext", img,
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block_list=block_list)
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return img.name
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def AddOdm(output_zip):
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"""Turn the contents of ODM into an odm image and store it in output_zip."""
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img = OutputFile(output_zip, OPTIONS.input_tmp, "IMAGES", "odm.img")
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if os.path.exists(img.name):
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logger.info("odm.img already exists; no need to rebuild...")
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return img.name
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block_list = OutputFile(
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output_zip, OPTIONS.input_tmp, "IMAGES", "odm.map")
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CreateImage(
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OPTIONS.input_tmp, OPTIONS.info_dict, "odm", img,
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block_list=block_list)
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return img.name
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def AddVendorDlkm(output_zip):
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"""Turn the contents of VENDOR_DLKM into an vendor_dlkm image and store it in output_zip."""
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img = OutputFile(output_zip, OPTIONS.input_tmp, "IMAGES", "vendor_dlkm.img")
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if os.path.exists(img.name):
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logger.info("vendor_dlkm.img already exists; no need to rebuild...")
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return img.name
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block_list = OutputFile(
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output_zip, OPTIONS.input_tmp, "IMAGES", "vendor_dlkm.map")
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CreateImage(
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OPTIONS.input_tmp, OPTIONS.info_dict, "vendor_dlkm", img,
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block_list=block_list)
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return img.name
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def AddOdmDlkm(output_zip):
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"""Turn the contents of OdmDlkm into an odm_dlkm image and store it in output_zip."""
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img = OutputFile(output_zip, OPTIONS.input_tmp, "IMAGES", "odm_dlkm.img")
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if os.path.exists(img.name):
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logger.info("odm_dlkm.img already exists; no need to rebuild...")
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return img.name
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block_list = OutputFile(
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output_zip, OPTIONS.input_tmp, "IMAGES", "odm_dlkm.map")
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CreateImage(
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OPTIONS.input_tmp, OPTIONS.info_dict, "odm_dlkm", img,
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block_list=block_list)
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return img.name
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def AddSystemDlkm(output_zip):
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"""Turn the contents of SystemDlkm into an system_dlkm image and store it in output_zip."""
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img = OutputFile(output_zip, OPTIONS.input_tmp, "IMAGES", "system_dlkm.img")
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if os.path.exists(img.name):
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logger.info("system_dlkm.img already exists; no need to rebuild...")
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return img.name
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block_list = OutputFile(
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output_zip, OPTIONS.input_tmp, "IMAGES", "system_dlkm.map")
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CreateImage(
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OPTIONS.input_tmp, OPTIONS.info_dict, "system_dlkm", img,
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block_list=block_list)
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return img.name
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def AddDtbo(output_zip):
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"""Adds the DTBO image.
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Uses the image under IMAGES/ if it already exists. Otherwise looks for the
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image under PREBUILT_IMAGES/, signs it as needed, and returns the image name.
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"""
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img = OutputFile(output_zip, OPTIONS.input_tmp, "IMAGES", "dtbo.img")
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if os.path.exists(img.name):
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logger.info("dtbo.img already exists; no need to rebuild...")
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return img.name
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dtbo_prebuilt_path = os.path.join(
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OPTIONS.input_tmp, "PREBUILT_IMAGES", "dtbo.img")
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assert os.path.exists(dtbo_prebuilt_path)
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shutil.copy(dtbo_prebuilt_path, img.name)
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# AVB-sign the image as needed.
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if OPTIONS.info_dict.get("avb_enable") == "true":
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# Signing requires +w
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os.chmod(img.name, os.stat(img.name).st_mode | stat.S_IWUSR)
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avbtool = OPTIONS.info_dict["avb_avbtool"]
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part_size = OPTIONS.info_dict["dtbo_size"]
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# The AVB hash footer will be replaced if already present.
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cmd = [avbtool, "add_hash_footer", "--image", img.name,
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"--partition_size", str(part_size), "--partition_name", "dtbo"]
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common.AppendAVBSigningArgs(cmd, "dtbo")
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args = OPTIONS.info_dict.get("avb_dtbo_add_hash_footer_args")
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if args and args.strip():
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cmd.extend(shlex.split(args))
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common.RunAndCheckOutput(cmd)
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img.Write()
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return img.name
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def AddPvmfw(output_zip):
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"""Adds the pvmfw image.
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Uses the image under IMAGES/ if it already exists. Otherwise looks for the
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image under PREBUILT_IMAGES/, signs it as needed, and returns the image name.
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"""
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img = OutputFile(output_zip, OPTIONS.input_tmp, "IMAGES", "pvmfw.img")
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if os.path.exists(img.name):
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logger.info("pvmfw.img already exists; no need to rebuild...")
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return img.name
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pvmfw_prebuilt_path = os.path.join(
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OPTIONS.input_tmp, "PREBUILT_IMAGES", "pvmfw.img")
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assert os.path.exists(pvmfw_prebuilt_path)
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shutil.copy(pvmfw_prebuilt_path, img.name)
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# AVB-sign the image as needed.
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if OPTIONS.info_dict.get("avb_enable") == "true":
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# Signing requires +w
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os.chmod(img.name, os.stat(img.name).st_mode | stat.S_IWUSR)
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avbtool = OPTIONS.info_dict["avb_avbtool"]
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part_size = OPTIONS.info_dict["pvmfw_size"]
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# The AVB hash footer will be replaced if already present.
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cmd = [avbtool, "add_hash_footer", "--image", img.name,
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"--partition_size", str(part_size), "--partition_name", "pvmfw"]
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common.AppendAVBSigningArgs(cmd, "pvmfw")
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args = OPTIONS.info_dict.get("avb_pvmfw_add_hash_footer_args")
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if args and args.strip():
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cmd.extend(shlex.split(args))
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common.RunAndCheckOutput(cmd)
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img.Write()
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return img.name
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def AddCustomImages(output_zip, partition_name):
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"""Adds and signs custom images in IMAGES/.
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Args:
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output_zip: The output zip file (needs to be already open), or None to
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write images to OPTIONS.input_tmp/.
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Uses the image under IMAGES/ if it already exists. Otherwise looks for the
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image under PREBUILT_IMAGES/, signs it as needed, and returns the image name.
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Raises:
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AssertionError: If image can't be found.
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"""
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key_path = OPTIONS.info_dict.get("avb_{}_key_path".format(partition_name))
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algorithm = OPTIONS.info_dict.get("avb_{}_algorithm".format(partition_name))
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extra_args = OPTIONS.info_dict.get(
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"avb_{}_add_hashtree_footer_args".format(partition_name))
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partition_size = OPTIONS.info_dict.get(
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"avb_{}_partition_size".format(partition_name))
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builder = verity_utils.CreateCustomImageBuilder(
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OPTIONS.info_dict, partition_name, partition_size,
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key_path, algorithm, extra_args)
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for img_name in OPTIONS.info_dict.get(
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"avb_{}_image_list".format(partition_name)).split():
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custom_image = OutputFile(
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output_zip, OPTIONS.input_tmp, "IMAGES", img_name)
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if os.path.exists(custom_image.name):
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continue
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custom_image_prebuilt_path = os.path.join(
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OPTIONS.input_tmp, "PREBUILT_IMAGES", img_name)
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assert os.path.exists(custom_image_prebuilt_path), \
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"Failed to find %s at %s" % (img_name, custom_image_prebuilt_path)
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shutil.copy(custom_image_prebuilt_path, custom_image.name)
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if builder is not None:
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builder.Build(custom_image.name)
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custom_image.Write()
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default = os.path.join(OPTIONS.input_tmp, "IMAGES", partition_name + ".img")
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assert os.path.exists(default), \
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"There should be one %s.img" % (partition_name)
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return default
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def CreateImage(input_dir, info_dict, what, output_file, block_list=None):
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logger.info("creating %s.img...", what)
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image_props = build_image.ImagePropFromGlobalDict(info_dict, what)
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image_props["timestamp"] = FIXED_FILE_TIMESTAMP
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if what == "system":
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fs_config_prefix = ""
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else:
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fs_config_prefix = what + "_"
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fs_config = os.path.join(
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input_dir, "META/" + fs_config_prefix + "filesystem_config.txt")
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if not os.path.exists(fs_config):
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fs_config = None
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# Override values loaded from info_dict.
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if fs_config:
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image_props["fs_config"] = fs_config
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if block_list:
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image_props["block_list"] = block_list.name
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# Use repeatable ext4 FS UUID and hash_seed UUID (based on partition name and
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# build fingerprint). Also use the legacy build id, because the vbmeta digest
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# isn't available at this point.
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build_info = common.BuildInfo(info_dict, use_legacy_id=True)
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uuid_seed = what + "-" + build_info.GetPartitionFingerprint(what)
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image_props["uuid"] = str(uuid.uuid5(uuid.NAMESPACE_URL, uuid_seed))
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hash_seed = "hash_seed-" + uuid_seed
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image_props["hash_seed"] = str(uuid.uuid5(uuid.NAMESPACE_URL, hash_seed))
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build_image.BuildImage(
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os.path.join(input_dir, what.upper()), image_props, output_file.name)
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output_file.Write()
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if block_list:
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block_list.Write()
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# Set the '_image_size' for given image size.
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is_verity_partition = "verity_block_device" in image_props
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verity_supported = (image_props.get("verity") == "true" or
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image_props.get("avb_enable") == "true")
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is_avb_enable = image_props.get("avb_hashtree_enable") == "true"
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if verity_supported and (is_verity_partition or is_avb_enable):
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image_size = image_props.get("image_size")
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if image_size:
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image_size_key = what + "_image_size"
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info_dict[image_size_key] = int(image_size)
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use_dynamic_size = (
|
|
info_dict.get("use_dynamic_partition_size") == "true" and
|
|
what in shlex.split(info_dict.get("dynamic_partition_list", "").strip()))
|
|
if use_dynamic_size:
|
|
info_dict.update(build_image.GlobalDictFromImageProp(image_props, what))
|
|
|
|
|
|
def AddUserdata(output_zip):
|
|
"""Create a userdata image and store it in output_zip.
|
|
|
|
In most case we just create and store an empty userdata.img;
|
|
But the invoker can also request to create userdata.img with real
|
|
data from the target files, by setting "userdata_img_with_data=true"
|
|
in OPTIONS.info_dict.
|
|
"""
|
|
|
|
img = OutputFile(output_zip, OPTIONS.input_tmp, "IMAGES", "userdata.img")
|
|
if os.path.exists(img.name):
|
|
logger.info("userdata.img already exists; no need to rebuild...")
|
|
return
|
|
|
|
# Skip userdata.img if no size.
|
|
image_props = build_image.ImagePropFromGlobalDict(OPTIONS.info_dict, "data")
|
|
if not image_props.get("partition_size"):
|
|
return
|
|
|
|
logger.info("creating userdata.img...")
|
|
|
|
image_props["timestamp"] = FIXED_FILE_TIMESTAMP
|
|
|
|
if OPTIONS.info_dict.get("userdata_img_with_data") == "true":
|
|
user_dir = os.path.join(OPTIONS.input_tmp, "DATA")
|
|
else:
|
|
user_dir = common.MakeTempDir()
|
|
|
|
build_image.BuildImage(user_dir, image_props, img.name)
|
|
|
|
common.CheckSize(img.name, "userdata.img", OPTIONS.info_dict)
|
|
# Always use compression for useradata image.
|
|
# As it's likely huge and consist of lots of 0s.
|
|
img.Write(zipfile.ZIP_DEFLATED)
|
|
|
|
|
|
def AddVBMeta(output_zip, partitions, name, needed_partitions):
|
|
"""Creates a VBMeta image and stores it in output_zip.
|
|
|
|
It generates the requested VBMeta image. The requested image could be for
|
|
top-level or chained VBMeta image, which is determined based on the name.
|
|
|
|
Args:
|
|
output_zip: The output zip file, which needs to be already open.
|
|
partitions: A dict that's keyed by partition names with image paths as
|
|
values. Only valid partition names are accepted, as partitions listed
|
|
in common.AVB_PARTITIONS and custom partitions listed in
|
|
OPTIONS.info_dict.get("avb_custom_images_partition_list")
|
|
name: Name of the VBMeta partition, e.g. 'vbmeta', 'vbmeta_system'.
|
|
needed_partitions: Partitions whose descriptors should be included into the
|
|
generated VBMeta image.
|
|
|
|
Returns:
|
|
Path to the created image.
|
|
|
|
Raises:
|
|
AssertionError: On invalid input args.
|
|
"""
|
|
assert needed_partitions, "Needed partitions must be specified"
|
|
|
|
img = OutputFile(
|
|
output_zip, OPTIONS.input_tmp, "IMAGES", "{}.img".format(name))
|
|
if os.path.exists(img.name):
|
|
logger.info("%s.img already exists; not rebuilding...", name)
|
|
return img.name
|
|
|
|
common.BuildVBMeta(img.name, partitions, name, needed_partitions)
|
|
img.Write()
|
|
return img.name
|
|
|
|
|
|
def AddPartitionTable(output_zip):
|
|
"""Create a partition table image and store it in output_zip."""
|
|
|
|
img = OutputFile(
|
|
output_zip, OPTIONS.input_tmp, "IMAGES", "partition-table.img")
|
|
bpt = OutputFile(
|
|
output_zip, OPTIONS.input_tmp, "META", "partition-table.bpt")
|
|
|
|
# use BPTTOOL from environ, or "bpttool" if empty or not set.
|
|
bpttool = os.getenv("BPTTOOL") or "bpttool"
|
|
cmd = [bpttool, "make_table", "--output_json", bpt.name,
|
|
"--output_gpt", img.name]
|
|
input_files_str = OPTIONS.info_dict["board_bpt_input_files"]
|
|
input_files = input_files_str.split(" ")
|
|
for i in input_files:
|
|
cmd.extend(["--input", i])
|
|
disk_size = OPTIONS.info_dict.get("board_bpt_disk_size")
|
|
if disk_size:
|
|
cmd.extend(["--disk_size", disk_size])
|
|
args = OPTIONS.info_dict.get("board_bpt_make_table_args")
|
|
if args:
|
|
cmd.extend(shlex.split(args))
|
|
common.RunAndCheckOutput(cmd)
|
|
|
|
img.Write()
|
|
bpt.Write()
|
|
|
|
|
|
def AddCache(output_zip):
|
|
"""Create an empty cache image and store it in output_zip."""
|
|
|
|
img = OutputFile(output_zip, OPTIONS.input_tmp, "IMAGES", "cache.img")
|
|
if os.path.exists(img.name):
|
|
logger.info("cache.img already exists; no need to rebuild...")
|
|
return
|
|
|
|
image_props = build_image.ImagePropFromGlobalDict(OPTIONS.info_dict, "cache")
|
|
# The build system has to explicitly request for cache.img.
|
|
if "fs_type" not in image_props:
|
|
return
|
|
|
|
logger.info("creating cache.img...")
|
|
|
|
image_props["timestamp"] = FIXED_FILE_TIMESTAMP
|
|
|
|
user_dir = common.MakeTempDir()
|
|
build_image.BuildImage(user_dir, image_props, img.name)
|
|
|
|
common.CheckSize(img.name, "cache.img", OPTIONS.info_dict)
|
|
img.Write()
|
|
|
|
|
|
def CheckAbOtaImages(output_zip, ab_partitions):
|
|
"""Checks that all the listed A/B partitions have their images available.
|
|
|
|
The images need to be available under IMAGES/ or RADIO/, with the former takes
|
|
a priority.
|
|
|
|
Args:
|
|
output_zip: The output zip file (needs to be already open), or None to
|
|
find images in OPTIONS.input_tmp/.
|
|
ab_partitions: The list of A/B partitions.
|
|
|
|
Raises:
|
|
AssertionError: If it can't find an image.
|
|
"""
|
|
for partition in ab_partitions:
|
|
img_name = partition + ".img"
|
|
|
|
# Assert that the image is present under IMAGES/ now.
|
|
if output_zip:
|
|
# Zip spec says: All slashes MUST be forward slashes.
|
|
images_path = "IMAGES/" + img_name
|
|
radio_path = "RADIO/" + img_name
|
|
available = (images_path in output_zip.namelist() or
|
|
radio_path in output_zip.namelist())
|
|
else:
|
|
images_path = os.path.join(OPTIONS.input_tmp, "IMAGES", img_name)
|
|
radio_path = os.path.join(OPTIONS.input_tmp, "RADIO", img_name)
|
|
available = os.path.exists(images_path) or os.path.exists(radio_path)
|
|
|
|
assert available, "Failed to find " + img_name
|
|
|
|
|
|
def AddPackRadioImages(output_zip, images):
|
|
"""Copies images listed in META/pack_radioimages.txt from RADIO/ to IMAGES/.
|
|
|
|
Args:
|
|
output_zip: The output zip file (needs to be already open), or None to
|
|
write images to OPTIONS.input_tmp/.
|
|
images: A list of image names.
|
|
|
|
Raises:
|
|
AssertionError: If a listed image can't be found.
|
|
"""
|
|
for image in images:
|
|
img_name = image.strip()
|
|
_, ext = os.path.splitext(img_name)
|
|
if not ext:
|
|
img_name += ".img"
|
|
|
|
prebuilt_path = os.path.join(OPTIONS.input_tmp, "IMAGES", img_name)
|
|
if os.path.exists(prebuilt_path):
|
|
logger.info("%s already exists, no need to overwrite...", img_name)
|
|
continue
|
|
|
|
img_radio_path = os.path.join(OPTIONS.input_tmp, "RADIO", img_name)
|
|
assert os.path.exists(img_radio_path), \
|
|
"Failed to find %s at %s" % (img_name, img_radio_path)
|
|
|
|
if output_zip:
|
|
common.ZipWrite(output_zip, img_radio_path, "IMAGES/" + img_name)
|
|
else:
|
|
shutil.copy(img_radio_path, prebuilt_path)
|
|
|
|
|
|
def AddSuperEmpty(output_zip):
|
|
"""Create a super_empty.img and store it in output_zip."""
|
|
|
|
img = OutputFile(output_zip, OPTIONS.input_tmp, "IMAGES", "super_empty.img")
|
|
build_super_image.BuildSuperImage(OPTIONS.info_dict, img.name)
|
|
img.Write()
|
|
|
|
|
|
def AddSuperSplit(output_zip):
|
|
"""Create split super_*.img and store it in output_zip."""
|
|
|
|
outdir = os.path.join(OPTIONS.input_tmp, "OTA")
|
|
built = build_super_image.BuildSuperImage(OPTIONS.input_tmp, outdir)
|
|
|
|
if built:
|
|
for dev in OPTIONS.info_dict['super_block_devices'].strip().split():
|
|
img = OutputFile(output_zip, OPTIONS.input_tmp, "OTA",
|
|
"super_" + dev + ".img")
|
|
img.Write()
|
|
|
|
|
|
def ReplaceUpdatedFiles(zip_filename, files_list):
|
|
"""Updates all the ZIP entries listed in files_list.
|
|
|
|
For now the list includes META/care_map.pb, and the related files under
|
|
SYSTEM/ after rebuilding recovery.
|
|
"""
|
|
common.ZipDelete(zip_filename, files_list)
|
|
output_zip = zipfile.ZipFile(zip_filename, "a",
|
|
compression=zipfile.ZIP_DEFLATED,
|
|
allowZip64=True)
|
|
for item in files_list:
|
|
file_path = os.path.join(OPTIONS.input_tmp, item)
|
|
assert os.path.exists(file_path)
|
|
common.ZipWrite(output_zip, file_path, arcname=item)
|
|
common.ZipClose(output_zip)
|
|
|
|
|
|
def HasPartition(partition_name):
|
|
"""Determines if the target files archive should build a given partition."""
|
|
|
|
return ((os.path.isdir(
|
|
os.path.join(OPTIONS.input_tmp, partition_name.upper())) and
|
|
OPTIONS.info_dict.get(
|
|
"building_{}_image".format(partition_name)) == "true") or
|
|
os.path.exists(
|
|
os.path.join(OPTIONS.input_tmp, "IMAGES",
|
|
"{}.img".format(partition_name))))
|
|
|
|
|
|
def AddApexInfo(output_zip):
|
|
apex_infos = GetApexInfoFromTargetFiles(OPTIONS.input_tmp, 'system',
|
|
compressed_only=False)
|
|
apex_metadata_proto = ota_metadata_pb2.ApexMetadata()
|
|
apex_metadata_proto.apex_info.extend(apex_infos)
|
|
apex_info_bytes = apex_metadata_proto.SerializeToString()
|
|
|
|
output_file = os.path.join(OPTIONS.input_tmp, "META", "apex_info.pb")
|
|
with open(output_file, "wb") as ofile:
|
|
ofile.write(apex_info_bytes)
|
|
if output_zip:
|
|
arc_name = "META/apex_info.pb"
|
|
if arc_name in output_zip.namelist():
|
|
OPTIONS.replace_updated_files_list.append(arc_name)
|
|
else:
|
|
common.ZipWrite(output_zip, output_file, arc_name)
|
|
|
|
|
|
def AddVbmetaDigest(output_zip):
|
|
"""Write the vbmeta digest to the output dir and zipfile."""
|
|
|
|
# Calculate the vbmeta digest and put the result in to META/
|
|
boot_images = OPTIONS.info_dict.get("boot_images")
|
|
# Disable the digest calculation if the target_file is used as a container
|
|
# for boot images. A boot container might contain boot-5.4.img, boot-5.10.img
|
|
# etc., instead of just a boot.img and will fail in vbmeta digest calculation.
|
|
boot_container = boot_images and (
|
|
len(boot_images.split()) >= 2 or boot_images.split()[0] != 'boot.img')
|
|
if (OPTIONS.info_dict.get("avb_enable") == "true" and not boot_container and
|
|
OPTIONS.info_dict.get("avb_building_vbmeta_image") == "true"):
|
|
avbtool = OPTIONS.info_dict["avb_avbtool"]
|
|
digest = verity_utils.CalculateVbmetaDigest(OPTIONS.input_tmp, avbtool)
|
|
vbmeta_digest_txt = os.path.join(OPTIONS.input_tmp, "META",
|
|
"vbmeta_digest.txt")
|
|
with open(vbmeta_digest_txt, 'w') as f:
|
|
f.write(digest)
|
|
# writes to the output zipfile
|
|
if output_zip:
|
|
arc_name = "META/vbmeta_digest.txt"
|
|
if arc_name in output_zip.namelist():
|
|
OPTIONS.replace_updated_files_list.append(arc_name)
|
|
else:
|
|
common.ZipWriteStr(output_zip, arc_name, digest)
|
|
|
|
|
|
def AddImagesToTargetFiles(filename):
|
|
"""Creates and adds images (boot/recovery/system/...) to a target_files.zip.
|
|
|
|
It works with either a zip file (zip mode), or a directory that contains the
|
|
files to be packed into a target_files.zip (dir mode). The latter is used when
|
|
being called from build/make/core/Makefile.
|
|
|
|
The images will be created under IMAGES/ in the input target_files.zip.
|
|
|
|
Args:
|
|
filename: the target_files.zip, or the zip root directory.
|
|
"""
|
|
if os.path.isdir(filename):
|
|
OPTIONS.input_tmp = os.path.abspath(filename)
|
|
else:
|
|
OPTIONS.input_tmp = common.UnzipTemp(filename)
|
|
|
|
if not OPTIONS.add_missing:
|
|
if os.path.isdir(os.path.join(OPTIONS.input_tmp, "IMAGES")):
|
|
logger.warning("target_files appears to already contain images.")
|
|
sys.exit(1)
|
|
|
|
OPTIONS.info_dict = common.LoadInfoDict(OPTIONS.input_tmp, repacking=True)
|
|
|
|
has_recovery = OPTIONS.info_dict.get("no_recovery") != "true"
|
|
has_boot = OPTIONS.info_dict.get("no_boot") != "true"
|
|
has_init_boot = OPTIONS.info_dict.get("init_boot") == "true"
|
|
has_vendor_boot = OPTIONS.info_dict.get("vendor_boot") == "true"
|
|
|
|
# {vendor,odm,product,system_ext,vendor_dlkm,odm_dlkm, system_dlkm, system, system_other}.img
|
|
# can be built from source, or dropped into target_files.zip as a prebuilt blob.
|
|
has_vendor = HasPartition("vendor")
|
|
has_odm = HasPartition("odm")
|
|
has_vendor_dlkm = HasPartition("vendor_dlkm")
|
|
has_odm_dlkm = HasPartition("odm_dlkm")
|
|
has_system_dlkm = HasPartition("system_dlkm")
|
|
has_product = HasPartition("product")
|
|
has_system_ext = HasPartition("system_ext")
|
|
has_system = HasPartition("system")
|
|
has_system_other = HasPartition("system_other")
|
|
has_userdata = OPTIONS.info_dict.get("building_userdata_image") == "true"
|
|
has_cache = OPTIONS.info_dict.get("building_cache_image") == "true"
|
|
|
|
# Set up the output destination. It writes to the given directory for dir
|
|
# mode; otherwise appends to the given ZIP.
|
|
if os.path.isdir(filename):
|
|
output_zip = None
|
|
else:
|
|
output_zip = zipfile.ZipFile(filename, "a",
|
|
compression=zipfile.ZIP_DEFLATED,
|
|
allowZip64=True)
|
|
|
|
# Always make input_tmp/IMAGES available, since we may stage boot / recovery
|
|
# images there even under zip mode. The directory will be cleaned up as part
|
|
# of OPTIONS.input_tmp.
|
|
images_dir = os.path.join(OPTIONS.input_tmp, "IMAGES")
|
|
if not os.path.isdir(images_dir):
|
|
os.makedirs(images_dir)
|
|
|
|
# A map between partition names and their paths, which could be used when
|
|
# generating AVB vbmeta image.
|
|
partitions = {}
|
|
|
|
def banner(s):
|
|
logger.info("\n\n++++ %s ++++\n\n", s)
|
|
|
|
boot_image = None
|
|
if has_boot:
|
|
banner("boot")
|
|
boot_images = OPTIONS.info_dict.get("boot_images")
|
|
if boot_images is None:
|
|
boot_images = "boot.img"
|
|
for index, b in enumerate(boot_images.split()):
|
|
# common.GetBootableImage() returns the image directly if present.
|
|
boot_image = common.GetBootableImage(
|
|
"IMAGES/" + b, b, OPTIONS.input_tmp, "BOOT")
|
|
# boot.img may be unavailable in some targets (e.g. aosp_arm64).
|
|
if boot_image:
|
|
boot_image_path = os.path.join(OPTIONS.input_tmp, "IMAGES", b)
|
|
# Although multiple boot images can be generated, include the image
|
|
# descriptor of only the first boot image in vbmeta
|
|
if index == 0:
|
|
partitions['boot'] = boot_image_path
|
|
if not os.path.exists(boot_image_path):
|
|
boot_image.WriteToDir(OPTIONS.input_tmp)
|
|
if output_zip:
|
|
boot_image.AddToZip(output_zip)
|
|
|
|
if has_init_boot:
|
|
banner("init_boot")
|
|
init_boot_image = common.GetBootableImage(
|
|
"IMAGES/init_boot.img", "init_boot.img", OPTIONS.input_tmp, "INIT_BOOT")
|
|
if init_boot_image:
|
|
partitions['init_boot'] = os.path.join(
|
|
OPTIONS.input_tmp, "IMAGES", "init_boot.img")
|
|
if not os.path.exists(partitions['init_boot']):
|
|
init_boot_image.WriteToDir(OPTIONS.input_tmp)
|
|
if output_zip:
|
|
init_boot_image.AddToZip(output_zip)
|
|
|
|
if has_vendor_boot:
|
|
banner("vendor_boot")
|
|
vendor_boot_image = common.GetVendorBootImage(
|
|
"IMAGES/vendor_boot.img", "vendor_boot.img", OPTIONS.input_tmp,
|
|
"VENDOR_BOOT")
|
|
if vendor_boot_image:
|
|
partitions['vendor_boot'] = os.path.join(OPTIONS.input_tmp, "IMAGES",
|
|
"vendor_boot.img")
|
|
if not os.path.exists(partitions['vendor_boot']):
|
|
vendor_boot_image.WriteToDir(OPTIONS.input_tmp)
|
|
if output_zip:
|
|
vendor_boot_image.AddToZip(output_zip)
|
|
|
|
recovery_image = None
|
|
if has_recovery:
|
|
banner("recovery")
|
|
recovery_image = common.GetBootableImage(
|
|
"IMAGES/recovery.img", "recovery.img", OPTIONS.input_tmp, "RECOVERY")
|
|
assert recovery_image, "Failed to create recovery.img."
|
|
partitions['recovery'] = os.path.join(
|
|
OPTIONS.input_tmp, "IMAGES", "recovery.img")
|
|
if not os.path.exists(partitions['recovery']):
|
|
recovery_image.WriteToDir(OPTIONS.input_tmp)
|
|
if output_zip:
|
|
recovery_image.AddToZip(output_zip)
|
|
|
|
banner("recovery (two-step image)")
|
|
# The special recovery.img for two-step package use.
|
|
recovery_two_step_image = common.GetBootableImage(
|
|
"OTA/recovery-two-step.img", "recovery-two-step.img",
|
|
OPTIONS.input_tmp, "RECOVERY", two_step_image=True)
|
|
assert recovery_two_step_image, "Failed to create recovery-two-step.img."
|
|
recovery_two_step_image_path = os.path.join(
|
|
OPTIONS.input_tmp, "OTA", "recovery-two-step.img")
|
|
if not os.path.exists(recovery_two_step_image_path):
|
|
recovery_two_step_image.WriteToDir(OPTIONS.input_tmp)
|
|
if output_zip:
|
|
recovery_two_step_image.AddToZip(output_zip)
|
|
|
|
def add_partition(partition, has_partition, add_func, add_args):
|
|
if has_partition:
|
|
banner(partition)
|
|
partitions[partition] = add_func(output_zip, *add_args)
|
|
|
|
add_partition_calls = (
|
|
("system", has_system, AddSystem, [recovery_image, boot_image]),
|
|
("vendor", has_vendor, AddVendor, [recovery_image, boot_image]),
|
|
("product", has_product, AddProduct, []),
|
|
("system_ext", has_system_ext, AddSystemExt, []),
|
|
("odm", has_odm, AddOdm, []),
|
|
("vendor_dlkm", has_vendor_dlkm, AddVendorDlkm, []),
|
|
("odm_dlkm", has_odm_dlkm, AddOdmDlkm, []),
|
|
("system_dlkm", has_system_dlkm, AddSystemDlkm, []),
|
|
("system_other", has_system_other, AddSystemOther, []),
|
|
)
|
|
for call in add_partition_calls:
|
|
add_partition(*call)
|
|
|
|
AddApexInfo(output_zip)
|
|
|
|
if not OPTIONS.is_signing:
|
|
banner("userdata")
|
|
AddUserdata(output_zip)
|
|
banner("cache")
|
|
AddCache(output_zip)
|
|
|
|
if OPTIONS.info_dict.get("board_bpt_enable") == "true":
|
|
banner("partition-table")
|
|
AddPartitionTable(output_zip)
|
|
|
|
add_partition("dtbo",
|
|
OPTIONS.info_dict.get("has_dtbo") == "true", AddDtbo, [])
|
|
add_partition("pvmfw",
|
|
OPTIONS.info_dict.get("has_pvmfw") == "true", AddPvmfw, [])
|
|
|
|
# Custom images.
|
|
custom_partitions = OPTIONS.info_dict.get(
|
|
"avb_custom_images_partition_list", "").strip().split()
|
|
for partition_name in custom_partitions:
|
|
partition_name = partition_name.strip()
|
|
banner("custom images for " + partition_name)
|
|
partitions[partition_name] = AddCustomImages(output_zip, partition_name)
|
|
|
|
if OPTIONS.info_dict.get("avb_enable") == "true":
|
|
# vbmeta_partitions includes the partitions that should be included into
|
|
# top-level vbmeta.img, which are the ones that are not included in any
|
|
# chained VBMeta image plus the chained VBMeta images themselves.
|
|
# Currently custom_partitions are all chained to VBMeta image.
|
|
vbmeta_partitions = common.AVB_PARTITIONS[:] + tuple(custom_partitions)
|
|
|
|
vbmeta_system = OPTIONS.info_dict.get("avb_vbmeta_system", "").strip()
|
|
if vbmeta_system:
|
|
banner("vbmeta_system")
|
|
partitions["vbmeta_system"] = AddVBMeta(
|
|
output_zip, partitions, "vbmeta_system", vbmeta_system.split())
|
|
vbmeta_partitions = [
|
|
item for item in vbmeta_partitions
|
|
if item not in vbmeta_system.split()]
|
|
vbmeta_partitions.append("vbmeta_system")
|
|
|
|
vbmeta_vendor = OPTIONS.info_dict.get("avb_vbmeta_vendor", "").strip()
|
|
if vbmeta_vendor:
|
|
banner("vbmeta_vendor")
|
|
partitions["vbmeta_vendor"] = AddVBMeta(
|
|
output_zip, partitions, "vbmeta_vendor", vbmeta_vendor.split())
|
|
vbmeta_partitions = [
|
|
item for item in vbmeta_partitions
|
|
if item not in vbmeta_vendor.split()]
|
|
vbmeta_partitions.append("vbmeta_vendor")
|
|
|
|
if OPTIONS.info_dict.get("avb_building_vbmeta_image") == "true":
|
|
banner("vbmeta")
|
|
AddVBMeta(output_zip, partitions, "vbmeta", vbmeta_partitions)
|
|
|
|
if OPTIONS.info_dict.get("use_dynamic_partitions") == "true":
|
|
if OPTIONS.info_dict.get("build_super_empty_partition") == "true":
|
|
banner("super_empty")
|
|
AddSuperEmpty(output_zip)
|
|
|
|
if OPTIONS.info_dict.get("build_super_partition") == "true":
|
|
if OPTIONS.info_dict.get(
|
|
"build_retrofit_dynamic_partitions_ota_package") == "true":
|
|
banner("super split images")
|
|
AddSuperSplit(output_zip)
|
|
|
|
banner("radio")
|
|
ab_partitions_txt = os.path.join(OPTIONS.input_tmp, "META",
|
|
"ab_partitions.txt")
|
|
if os.path.exists(ab_partitions_txt):
|
|
with open(ab_partitions_txt) as f:
|
|
ab_partitions = f.read().splitlines()
|
|
|
|
# For devices using A/B update, make sure we have all the needed images
|
|
# ready under IMAGES/ or RADIO/.
|
|
CheckAbOtaImages(output_zip, ab_partitions)
|
|
|
|
# Generate care_map.pb for ab_partitions, then write this file to
|
|
# target_files package.
|
|
output_care_map = os.path.join(OPTIONS.input_tmp, "META", "care_map.pb")
|
|
AddCareMapForAbOta(output_zip if output_zip else output_care_map,
|
|
ab_partitions, partitions)
|
|
|
|
# Radio images that need to be packed into IMAGES/, and product-img.zip.
|
|
pack_radioimages_txt = os.path.join(
|
|
OPTIONS.input_tmp, "META", "pack_radioimages.txt")
|
|
if os.path.exists(pack_radioimages_txt):
|
|
with open(pack_radioimages_txt) as f:
|
|
AddPackRadioImages(output_zip, f.readlines())
|
|
|
|
AddVbmetaDigest(output_zip)
|
|
|
|
if output_zip:
|
|
common.ZipClose(output_zip)
|
|
if OPTIONS.replace_updated_files_list:
|
|
ReplaceUpdatedFiles(output_zip.filename,
|
|
OPTIONS.replace_updated_files_list)
|
|
|
|
|
|
def OptimizeCompressedEntries(zipfile_path):
|
|
"""Convert files that do not compress well to uncompressed storage
|
|
|
|
EROFS images tend to be compressed already, so compressing them again
|
|
yields little space savings. Leaving them uncompressed will make
|
|
downstream tooling's job easier, and save compute time.
|
|
"""
|
|
if not zipfile.is_zipfile(zipfile_path):
|
|
return
|
|
entries_to_store = []
|
|
with tempfile.TemporaryDirectory() as tmpdir:
|
|
with zipfile.ZipFile(zipfile_path, "r", allowZip64=True) as zfp:
|
|
for zinfo in zfp.filelist:
|
|
if not zinfo.filename.startswith("IMAGES/") and not zinfo.filename.startswith("META"):
|
|
pass
|
|
# Don't try to store userdata.img uncompressed, it's usually huge.
|
|
if zinfo.filename.endswith("userdata.img"):
|
|
pass
|
|
if zinfo.compress_size > zinfo.file_size * 0.80 and zinfo.compress_type != zipfile.ZIP_STORED:
|
|
entries_to_store.append(zinfo)
|
|
zfp.extract(zinfo, tmpdir)
|
|
# Remove these entries, then re-add them as ZIP_STORED
|
|
common.RunAndCheckOutput(
|
|
["zip", "-d", zipfile_path] + [entry.filename for entry in entries_to_store])
|
|
with zipfile.ZipFile(zipfile_path, "a", allowZip64=True) as zfp:
|
|
for entry in entries_to_store:
|
|
zfp.write(os.path.join(tmpdir, entry.filename), entry.filename, compress_type=zipfile.ZIP_STORED)
|
|
|
|
|
|
def main(argv):
|
|
def option_handler(o, a):
|
|
if o in ("-a", "--add_missing"):
|
|
OPTIONS.add_missing = True
|
|
elif o in ("-r", "--rebuild_recovery",):
|
|
OPTIONS.rebuild_recovery = True
|
|
elif o == "--replace_verity_private_key":
|
|
OPTIONS.replace_verity_private_key = (True, a)
|
|
elif o == "--replace_verity_public_key":
|
|
OPTIONS.replace_verity_public_key = (True, a)
|
|
elif o == "--is_signing":
|
|
OPTIONS.is_signing = True
|
|
else:
|
|
return False
|
|
return True
|
|
|
|
args = common.ParseOptions(
|
|
argv, __doc__, extra_opts="ar",
|
|
extra_long_opts=["add_missing", "rebuild_recovery",
|
|
"replace_verity_public_key=",
|
|
"replace_verity_private_key=",
|
|
"is_signing"],
|
|
extra_option_handler=option_handler)
|
|
|
|
if len(args) != 1:
|
|
common.Usage(__doc__)
|
|
sys.exit(1)
|
|
|
|
common.InitLogging()
|
|
|
|
AddImagesToTargetFiles(args[0])
|
|
OptimizeCompressedEntries(args[0])
|
|
logger.info("done.")
|
|
|
|
|
|
if __name__ == '__main__':
|
|
try:
|
|
common.CloseInheritedPipes()
|
|
main(sys.argv[1:])
|
|
finally:
|
|
common.Cleanup()
|