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[infra] Add block listed target name logic from ClusterFuzz (#6538) 

* [infra] Add block listed target name logic from ClusterFuzz
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Fabian Meumertzheim 2021-09-29 17:43:40 +02:00 committed by GitHub
parent ab547f1881
commit 5b4bd94235
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1 changed files with 9 additions and 2 deletions
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infra/utils.py
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@ -25,7 +25,8 @@ import helper
ALLOWED_FUZZ_TARGET_EXTENSIONS = ['', '.exe'] ALLOWED_FUZZ_TARGET_EXTENSIONS = ['', '.exe']
FUZZ_TARGET_SEARCH_STRING = 'LLVMFuzzerTestOneInput' FUZZ_TARGET_SEARCH_STRING = 'LLVMFuzzerTestOneInput'
VALID_TARGET_NAME = re.compile(r'^[a-zA-Z0-9_-]+$') VALID_TARGET_NAME_REGEX = re.compile(r'^[a-zA-Z0-9_-]+$')
BLOCKLISTED_TARGET_NAME_REGEX = re.compile(r'^(jazzer_driver.*)$')
# Location of google cloud storage for latest OSS-Fuzz builds. # Location of google cloud storage for latest OSS-Fuzz builds.
GCS_BASE_URL = 'https://storage.googleapis.com/' GCS_BASE_URL = 'https://storage.googleapis.com/'
@ -118,11 +119,17 @@ def is_fuzz_target_local(file_path):
Copied from clusterfuzz src/python/bot/fuzzers/utils.py Copied from clusterfuzz src/python/bot/fuzzers/utils.py
with slight modifications. with slight modifications.
""" """
# pylint: disable=too-many-return-statements
filename, file_extension = os.path.splitext(os.path.basename(file_path)) filename, file_extension = os.path.splitext(os.path.basename(file_path))
if not VALID_TARGET_NAME.match(filename): if not VALID_TARGET_NAME_REGEX.match(filename):
# Check fuzz target has a valid name (without any special chars). # Check fuzz target has a valid name (without any special chars).
return False return False
if BLOCKLISTED_TARGET_NAME_REGEX.match(filename):
# Check fuzz target an explicitly disallowed name (e.g. binaries used for
# jazzer-based targets).
return False
if file_extension not in ALLOWED_FUZZ_TARGET_EXTENSIONS: if file_extension not in ALLOWED_FUZZ_TARGET_EXTENSIONS:
# Ignore files with disallowed extensions (to prevent opening e.g. .zips). # Ignore files with disallowed extensions (to prevent opening e.g. .zips).
return False return False