def get_issue_metadata(fuzz_target_path, extension):
"""Get issue metadata."""
metadata_file_path = fuzzer_utils.get_supporting_file(fuzz_target_path,
extension)
if environment.is_trusted_host():
metadata_file_path = fuzzer_utils.get_file_from_untrusted_worker(
metadata_file_path)
if not os.path.exists(metadata_file_path):
return []
with open(metadata_file_path) as handle:
return utils.parse_delimited(
handle, delimiter='\n', strip=True, remove_empty=True)
def get_issue_labels(fuzz_target_path):
"""Return list of issue labels given a fuzz target path."""
labels_file_path = fuzzer_utils.get_supporting_file(fuzz_target_path,
LABELS_FILE_EXTENSION)
if environment.is_trusted_host():
labels_file_path = fuzzer_utils.get_file_from_untrusted_worker(
labels_file_path)
if not os.path.exists(labels_file_path):
return []
with open(labels_file_path) as handle:
return utils.parse_delimited(
handle, delimiter='\n', strip=True, remove_empty=True)
def get_fuzz_target_options(fuzz_target_path):
"""Return a FuzzerOptions for the given target, or None if it does not
exist."""
options_file_path = fuzzer_utils.get_supporting_file(
fuzz_target_path, OPTIONS_FILE_EXTENSION)
options_cwd = os.path.dirname(options_file_path)
if environment.is_trusted_host():
options_file_path = fuzzer_utils.get_file_from_untrusted_worker(
options_file_path)
if not os.path.exists(options_file_path):
return None
try:
return FuzzerOptions(options_file_path, cwd=options_cwd)
except FuzzerOptionsException:
logs.log_error('Invalid options file: %s.' % options_file_path)
return None
def get_additional_issue_metadata(fuzz_target_path):
"""Return the additional metadata fields given a fuzz target path. The data
will be a JSON-formatted dictionary."""
metadata_file_path = fuzzer_utils.get_supporting_file(
fuzz_target_path, METADATA_FILE_EXTENSION)
if environment.is_trusted_host():
metadata_file_path = fuzzer_utils.get_file_from_untrusted_worker(
metadata_file_path)
if not os.path.exists(metadata_file_path):
return {}
with open(metadata_file_path) as handle:
try:
return json.load(handle)
except (ValueError, TypeError):
logs.log_error('Invalid metadata file format.', path=metadata_file_path)
return {}
def get_issue_owners(fuzz_target_path):
"""Return list of owner emails given a fuzz target path.
Format of an owners file is described at:
https://cs.chromium.org/chromium/src/third_party/depot_tools/owners.py
"""
owners_file_path = fuzzer_utils.get_supporting_file(
fuzz_target_path, OWNERS_FILE_EXTENSION)
if environment.is_trusted_host():
owners_file_path = fuzzer_utils.get_file_from_untrusted_worker(
owners_file_path)
if not os.path.exists(owners_file_path):
return []
owners = []
with open(owners_file_path, 'r') as owners_file_handle:
owners_file_content = owners_file_handle.read()
for line in owners_file_content.splitlines():
stripped_line = line.strip()
if not stripped_line:
# Ignore empty lines.
continue
if stripped_line.startswith('#'):
# Ignore comment lines.
continue
if stripped_line == '*':
# Not of any use, we can't add everyone as owner with this.
continue
if (stripped_line.startswith('per-file')
or stripped_line.startswith('file:')):
# Don't have a source checkout, so ignore.
continue
if '@' not in stripped_line:
# Bad email address.
continue
owners.append(stripped_line)
return owners
