Trigger data wipe on spl-downgrade as well

Test: make an spl-downgrade pkg
Change-Id: I3220719a1b3fe6b2f07bfb9fd526ec6e94ca16ba
This commit is contained in:
Kelvin Zhang 2021-03-05 15:42:03 -05:00
parent 6023b1944d
commit 06400177a3

View file

@ -293,8 +293,6 @@ SECONDARY_PAYLOAD_SKIPPED_IMAGES = [
'vendor_boot']
class PayloadSigner(object):
"""A class that wraps the payload signing works.
@ -761,10 +759,12 @@ def GetTargetFilesZipWithoutPostinstallConfig(input_file):
common.ZipDelete(target_file, POSTINSTALL_CONFIG)
return target_file
def ParseInfoDict(target_file_path):
with zipfile.ZipFile(target_file_path, 'r', allowZip64=True) as zfp:
return common.LoadInfoDict(zfp)
def GetTargetFilesZipForPartialUpdates(input_file, ab_partitions):
"""Returns a target-files.zip for partial ota update package generation.
@ -885,7 +885,7 @@ def GetTargetFilesZipForRetrofitDynamicPartitions(input_file,
with open(new_ab_partitions, 'w') as f:
for partition in ab_partitions:
if (partition in dynamic_partition_list and
partition not in super_block_devices):
partition not in super_block_devices):
logger.info("Dropping %s from ab_partitions.txt", partition)
continue
f.write(partition + "\n")
@ -959,32 +959,37 @@ def GetTargetFilesZipForCustomImagesUpdates(input_file, custom_images):
return target_file
def GeneratePartitionTimestampFlags(partition_state):
partition_timestamps = [
part.partition_name + ":" + part.version
for part in partition_state]
return ["--partition_timestamps", ",".join(partition_timestamps)]
def GeneratePartitionTimestampFlagsDowngrade(
pre_partition_state, post_partition_state):
pre_partition_state, post_partition_state):
assert pre_partition_state is not None
partition_timestamps = {}
for part in pre_partition_state:
partition_timestamps[part.partition_name] = part.version
for part in post_partition_state:
partition_timestamps[part.partition_name] = \
max(part.version, partition_timestamps[part.partition_name])
max(part.version, partition_timestamps[part.partition_name])
return [
"--partition_timestamps",
",".join([key + ":" + val for (key, val) in partition_timestamps.items()])
",".join([key + ":" + val for (key, val)
in partition_timestamps.items()])
]
def IsSparseImage(filepath):
with open(filepath, 'rb') as fp:
# Magic for android sparse image format
# https://source.android.com/devices/bootloader/images
return fp.read(4) == b'\x3A\xFF\x26\xED'
def SupportsMainlineGkiUpdates(target_file):
"""Return True if the build supports MainlineGKIUpdates.
@ -1023,6 +1028,7 @@ def SupportsMainlineGkiUpdates(target_file):
pattern = re.compile(r"com\.android\.gki\..*\.apex")
return pattern.search(output) is not None
def GenerateAbOtaPackage(target_file, output_file, source_file=None):
"""Generates an Android OTA package that has A/B update payload."""
# Stage the output zip package for package signing.
@ -1043,7 +1049,7 @@ def GenerateAbOtaPackage(target_file, output_file, source_file=None):
source_info = common.BuildInfo(OPTIONS.source_info_dict, OPTIONS.oem_dicts)
vendor_prop = source_info.info_dict.get("vendor.build.prop")
if vendor_prop and \
vendor_prop.GetProp("ro.virtual_ab.compression.enabled") == "true":
vendor_prop.GetProp("ro.virtual_ab.compression.enabled") == "true":
# TODO(zhangkelvin) Remove this once FEC on VABC is supported
logger.info("Virtual AB Compression enabled, disabling FEC")
OPTIONS.disable_fec_computation = True
@ -1099,7 +1105,8 @@ def GenerateAbOtaPackage(target_file, output_file, source_file=None):
additional_args += ["--max_timestamp", max_timestamp]
if SupportsMainlineGkiUpdates(source_file):
logger.warning("Detected build with mainline GKI, include full boot image.")
logger.warning(
"Detected build with mainline GKI, include full boot image.")
additional_args.extend(["--full_boot", "true"])
payload.Generate(
@ -1133,7 +1140,7 @@ def GenerateAbOtaPackage(target_file, output_file, source_file=None):
# into A/B OTA package.
target_zip = zipfile.ZipFile(target_file, "r", allowZip64=True)
if (target_info.get("verity") == "true" or
target_info.get("avb_enable") == "true"):
target_info.get("avb_enable") == "true"):
care_map_list = [x for x in ["care_map.pb", "care_map.txt"] if
"META/" + x in target_zip.namelist()]
@ -1153,7 +1160,7 @@ def GenerateAbOtaPackage(target_file, output_file, source_file=None):
apex_info_entry = target_zip.getinfo("META/apex_info.pb")
with target_zip.open(apex_info_entry, "r") as zfp:
common.ZipWriteStr(output_zip, "apex_info.pb", zfp.read(),
compress_type=zipfile.ZIP_STORED)
compress_type=zipfile.ZIP_STORED)
except KeyError:
logger.warning("target_file doesn't contain apex_info.pb %s", target_file)
@ -1267,6 +1274,7 @@ def main(argv):
OPTIONS.disable_vabc = True
elif o == "--spl_downgrade":
OPTIONS.spl_downgrade = True
OPTIONS.wipe_user_data = True
else:
return False
return True
@ -1337,7 +1345,6 @@ def main(argv):
if OPTIONS.incremental_source is None:
raise ValueError("Cannot generate downgradable full OTAs")
# TODO(xunchang) for retrofit and partial updates, maybe we should rebuild the
# target-file and reload the info_dict. So the info will be consistent with
# the modified target-file.
@ -1345,7 +1352,6 @@ def main(argv):
logger.info("--- target info ---")
common.DumpInfoDict(OPTIONS.info_dict)
# Load the source build dict if applicable.
if OPTIONS.incremental_source is not None:
OPTIONS.target_info_dict = OPTIONS.info_dict
@ -1356,15 +1362,15 @@ def main(argv):
if OPTIONS.partial:
OPTIONS.info_dict['ab_partitions'] = \
list(
set(OPTIONS.info_dict['ab_partitions']) & set(OPTIONS.partial)
)
list(
set(OPTIONS.info_dict['ab_partitions']) & set(OPTIONS.partial)
)
if OPTIONS.source_info_dict:
OPTIONS.source_info_dict['ab_partitions'] = \
list(
set(OPTIONS.source_info_dict['ab_partitions']) &
set(OPTIONS.partial)
)
list(
set(OPTIONS.source_info_dict['ab_partitions']) &
set(OPTIONS.partial)
)
# Load OEM dicts if provided.
OPTIONS.oem_dicts = _LoadOemDicts(OPTIONS.oem_source)
@ -1373,7 +1379,7 @@ def main(argv):
# use_dynamic_partitions but target build does.
if (OPTIONS.source_info_dict and
OPTIONS.source_info_dict.get("use_dynamic_partitions") != "true" and
OPTIONS.target_info_dict.get("use_dynamic_partitions") == "true"):
OPTIONS.target_info_dict.get("use_dynamic_partitions") == "true"):
if OPTIONS.target_info_dict.get("dynamic_partition_retrofit") != "true":
raise common.ExternalError(
"Expect to generate incremental OTA for retrofitting dynamic "
@ -1390,7 +1396,7 @@ def main(argv):
allow_non_ab = OPTIONS.info_dict.get("allow_non_ab") == "true"
if OPTIONS.force_non_ab:
assert allow_non_ab,\
"--force_non_ab only allowed on devices that supports non-A/B"
"--force_non_ab only allowed on devices that supports non-A/B"
assert ab_update, "--force_non_ab only allowed on A/B devices"
generate_ab = not OPTIONS.force_non_ab and ab_update
@ -1408,10 +1414,10 @@ def main(argv):
private_key_path = OPTIONS.package_key + OPTIONS.private_key_suffix
if not os.path.exists(private_key_path):
raise common.ExternalError(
"Private key {} doesn't exist. Make sure you passed the"
" correct key path through -k option".format(
private_key_path)
)
"Private key {} doesn't exist. Make sure you passed the"
" correct key path through -k option".format(
private_key_path)
)
if OPTIONS.source_info_dict:
source_build_prop = OPTIONS.source_info_dict["build.prop"]
@ -1419,14 +1425,14 @@ def main(argv):
source_spl = source_build_prop.GetProp(SECURITY_PATCH_LEVEL_PROP_NAME)
target_spl = target_build_prop.GetProp(SECURITY_PATCH_LEVEL_PROP_NAME)
is_spl_downgrade = target_spl < source_spl
if is_spl_downgrade and not OPTIONS.spl_downgrade:
if is_spl_downgrade and not OPTIONS.spl_downgrade and not OPTIONS.downgrade:
raise common.ExternalError(
"Target security patch level {} is older than source SPL {} applying "
"such OTA will likely cause device fail to boot. Pass --spl_downgrade "
"to override this check. This script expects security patch level to "
"be in format yyyy-mm-dd (e.x. 2021-02-05). It's possible to use "
"separators other than -, so as long as it's used consistenly across "
"all SPL dates".format(target_spl, source_spl))
"Target security patch level {} is older than source SPL {} applying "
"such OTA will likely cause device fail to boot. Pass --spl_downgrade "
"to override this check. This script expects security patch level to "
"be in format yyyy-mm-dd (e.x. 2021-02-05). It's possible to use "
"separators other than -, so as long as it's used consistenly across "
"all SPL dates".format(target_spl, source_spl))
elif not is_spl_downgrade and OPTIONS.spl_downgrade:
raise ValueError("--spl_downgrade specified but no actual SPL downgrade"
" detected. Please only pass in this flag if you want a"