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Make apex util detect if hashtree is present 

Test: sign_target_fiels_apks oriole_target_files.zip
Bug: 195194430

Change-Id: I919d169ce4d66e6a1cdbfd15babde25005971a30
This commit is contained in:
Kelvin Zhang 2021-08-02 19:58:14 -04:00
parent bff4b52ce1
commit 45b44d96e6
2 changed files with 31 additions and 27 deletions
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9
tools/releasetools/apex_utils.py
View File

@ -340,6 +340,8 @@ def SignUncompressedApex(avbtool, apex_file, payload_key, container_key,
zip_items = apex_fd.namelist()
payload_info = ParseApexPayloadInfo(avbtool, payload_file)
if no_hashtree is None:
no_hashtree = payload_info.get("Tree Size", 0) == 0
SignApexPayload(
avbtool,
payload_file,
@ -385,8 +387,8 @@ def SignUncompressedApex(avbtool, apex_file, payload_key, container_key,
def SignCompressedApex(avbtool, apex_file, payload_key, container_key,
container_pw, apk_keys, codename_to_api_level_map,
no_hashtree, signing_args=None):
container_pw, apk_keys, codename_to_api_level_map,
no_hashtree, signing_args=None):
"""Signs the current compressed APEX with the given payload/container keys.
Args:
@ -516,6 +518,7 @@ def SignApex(avbtool, apex_data, payload_key, container_key, container_pw,
raise ApexInfoError(
'Failed to get type for {}:\n{}'.format(apex_file, e))
def GetApexInfoFromTargetFiles(input_file, partition, compressed_only=True):
"""
Get information about system APEX stored in the input_file zip
@ -558,7 +561,7 @@ def GetApexInfoFromTargetFiles(input_file, partition, compressed_only=True):
for apex_filename in os.listdir(target_dir):
apex_filepath = os.path.join(target_dir, apex_filename)
if not os.path.isfile(apex_filepath) or \
not zipfile.is_zipfile(apex_filepath):
not zipfile.is_zipfile(apex_filepath):
logger.info("Skipping %s because it's not a zipfile", apex_filepath)
continue
apex_info = ota_metadata_pb2.ApexInfo()

49
tools/releasetools/sign_target_files_apks.py
View File

@ -428,7 +428,7 @@ def SignApk(data, keyname, pw, platform_api_level, codename_to_api_level_map,
if is_compressed:
uncompressed = tempfile.NamedTemporaryFile()
with gzip.open(unsigned.name, "rb") as in_file, \
open(uncompressed.name, "wb") as out_file:
open(uncompressed.name, "wb") as out_file:
shutil.copyfileobj(in_file, out_file)
# Finally, close the "unsigned" file (which is gzip compressed), and then
@ -468,7 +468,7 @@ def SignApk(data, keyname, pw, platform_api_level, codename_to_api_level_map,
# Recompress the file after it has been signed.
compressed = tempfile.NamedTemporaryFile()
with open(signed.name, "rb") as in_file, \
gzip.open(compressed.name, "wb") as out_file:
gzip.open(compressed.name, "wb") as out_file:
shutil.copyfileobj(in_file, out_file)
data = compressed.read()
@ -484,21 +484,21 @@ def SignApk(data, keyname, pw, platform_api_level, codename_to_api_level_map,
def IsBuildPropFile(filename):
return filename in (
"SYSTEM/etc/prop.default",
"BOOT/RAMDISK/prop.default",
"RECOVERY/RAMDISK/prop.default",
"SYSTEM/etc/prop.default",
"BOOT/RAMDISK/prop.default",
"RECOVERY/RAMDISK/prop.default",
"VENDOR_BOOT/RAMDISK/default.prop",
"VENDOR_BOOT/RAMDISK/prop.default",
"VENDOR_BOOT/RAMDISK/default.prop",
"VENDOR_BOOT/RAMDISK/prop.default",
# ROOT/default.prop is a legacy path, but may still exist for upgrading
# devices that don't support `property_overrides_split_enabled`.
"ROOT/default.prop",
# ROOT/default.prop is a legacy path, but may still exist for upgrading
# devices that don't support `property_overrides_split_enabled`.
"ROOT/default.prop",
# RECOVERY/RAMDISK/default.prop is a legacy path, but will always exist
# as a symlink in the current code. So it's a no-op here. Keeping the
# path here for clarity.
"RECOVERY/RAMDISK/default.prop") or filename.endswith("build.prop")
# RECOVERY/RAMDISK/default.prop is a legacy path, but will always exist
# as a symlink in the current code. So it's a no-op here. Keeping the
# path here for clarity.
"RECOVERY/RAMDISK/default.prop") or filename.endswith("build.prop")
def ProcessTargetFiles(input_tf_zip, output_tf_zip, misc_info,
@ -561,7 +561,7 @@ def ProcessTargetFiles(input_tf_zip, output_tf_zip, misc_info,
# We've asserted not having a case with only one of them PRESIGNED.
if (payload_key not in common.SPECIAL_CERT_STRINGS and
container_key not in common.SPECIAL_CERT_STRINGS):
container_key not in common.SPECIAL_CERT_STRINGS):
print(" signing: %-*s container (%s)" % (
maxsize, name, container_key))
print(" : %-*s payload (%s)" % (
@ -575,7 +575,7 @@ def ProcessTargetFiles(input_tf_zip, output_tf_zip, misc_info,
key_passwords,
apk_keys,
codename_to_api_level_map,
no_hashtree=True,
no_hashtree=None, # Let apex_util determine if hash tree is needed
signing_args=OPTIONS.avb_extra_args.get('apex'))
common.ZipWrite(output_tf_zip, signed_apex, filename)
@ -658,7 +658,7 @@ def ProcessTargetFiles(input_tf_zip, output_tf_zip, misc_info,
# Updates system_other.avbpubkey in /product/etc/.
elif filename in (
"PRODUCT/etc/security/avb/system_other.avbpubkey",
"SYSTEM/product/etc/security/avb/system_other.avbpubkey"):
"SYSTEM/product/etc/security/avb/system_other.avbpubkey"):
# Only update system_other's public key, if the corresponding signing
# key is specified via --avb_system_other_key.
signing_key = OPTIONS.avb_keys.get("system_other")
@ -671,7 +671,7 @@ def ProcessTargetFiles(input_tf_zip, output_tf_zip, misc_info,
# Should NOT sign boot-debug.img.
elif filename in (
"BOOT/RAMDISK/force_debuggable",
"BOOT/RAMDISK/first_stage_ramdisk/force_debuggable"):
"BOOT/RAMDISK/first_stage_ramdisk/force_debuggable"):
raise common.ExternalError("debuggable boot.img cannot be signed")
# A non-APK file; copy it verbatim.
@ -762,7 +762,8 @@ def ReplaceCerts(data):
# it's only checking entries with global seinfo at the moment (i.e. ignoring
# the ones with inner packages). (Bug: 69479366)
root = ElementTree.fromstring(data)
signatures = [signer.attrib['signature'] for signer in root.findall('signer')]
signatures = [signer.attrib['signature']
for signer in root.findall('signer')]
assert len(signatures) == len(set(signatures)), \
"Found duplicate entries after cert replacement: {}".format(data)
@ -807,7 +808,7 @@ def RewriteProps(data):
if line and line[0] != '#' and "=" in line:
key, value = line.split("=", 1)
if (key.startswith("ro.") and
key.endswith((".build.fingerprint", ".build.thumbprint"))):
key.endswith((".build.fingerprint", ".build.thumbprint"))):
pieces = value.split("/")
pieces[-1] = EditTags(pieces[-1])
value = "/".join(pieces)
@ -1000,7 +1001,7 @@ def ReplaceAvbSigningKeys(misc_info):
ReplaceAvbPartitionSigningKey(partition)
for custom_partition in misc_info.get(
"avb_custom_images_partition_list", "").strip().split():
"avb_custom_images_partition_list", "").strip().split():
ReplaceAvbPartitionSigningKey(custom_partition)
@ -1065,7 +1066,7 @@ def BuildKeyMap(misc_info, key_mapping_options):
devkeydir + "/shared": d + "/shared",
devkeydir + "/platform": d + "/platform",
devkeydir + "/networkstack": d + "/networkstack",
})
})
else:
OPTIONS.key_map[s] = d
@ -1168,8 +1169,8 @@ def ReadApexKeysInfo(tf_zip):
if container_cert == 'PRESIGNED' and container_private_key == 'PRESIGNED':
container_key = 'PRESIGNED'
elif CompareKeys(
container_cert, OPTIONS.public_key_suffix,
container_private_key, OPTIONS.private_key_suffix):
container_cert, OPTIONS.public_key_suffix,
container_private_key, OPTIONS.private_key_suffix):
container_key = container_cert[:-len(OPTIONS.public_key_suffix)]
else:
raise ValueError("Failed to parse container keys: \n{}".format(line))