mirror of
https://github.com/mandiant/capa.git
synced 2025-12-07 21:30:35 -08:00
ba044a980f
* build(deps-dev): bump black from 23.12.1 to 24.1.1 Bumps [black](https://github.com/psf/black) from 23.12.1 to 24.1.1. - [Release notes](https://github.com/psf/black/releases) - [Changelog](https://github.com/psf/black/blob/main/CHANGES.md) - [Commits](https://github.com/psf/black/compare/23.12.1...24.1.1) --- updated-dependencies: - dependency-name: black dependency-type: direct:production update-type: version-update:semver-major ... Signed-off-by: dependabot[bot] <support@github.com> * black 24.1.1 formatting * update flake config to match black 24.1.1 format --------- Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> Co-authored-by: Moritz <mr-tz@users.noreply.github.com> Co-authored-by: mr-tz <moritz.raabe@mandiant.com>
76 lines
2.5 KiB
Python
76 lines
2.5 KiB
Python
"""
|
|
Create a cache of the given rules.
|
|
This is only really intended to be used by CI to pre-cache rulesets
|
|
that will be distributed within PyInstaller binaries.
|
|
|
|
Usage:
|
|
|
|
$ python scripts/cache-ruleset.py rules/ /path/to/cache/directory
|
|
|
|
Copyright (C) 2023 Mandiant, Inc. All Rights Reserved.
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at: [package root]/LICENSE.txt
|
|
Unless required by applicable law or agreed to in writing, software distributed under the License
|
|
is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and limitations under the License.
|
|
"""
|
|
|
|
import sys
|
|
import logging
|
|
import argparse
|
|
from pathlib import Path
|
|
|
|
import capa.main
|
|
import capa.rules
|
|
import capa.engine
|
|
import capa.helpers
|
|
import capa.rules.cache
|
|
import capa.features.insn
|
|
|
|
logger = logging.getLogger("cache-ruleset")
|
|
|
|
|
|
def main(argv=None):
|
|
if argv is None:
|
|
argv = sys.argv[1:]
|
|
|
|
parser = argparse.ArgumentParser(description="Cache ruleset.")
|
|
capa.main.install_common_args(parser)
|
|
parser.add_argument("rules", type=str, help="Path to rules directory")
|
|
parser.add_argument("cache", type=str, help="Path to cache directory")
|
|
args = parser.parse_args(args=argv)
|
|
|
|
# don't use capa.main.handle_common_args
|
|
# because it expects a different format for the --rules argument
|
|
|
|
if args.quiet:
|
|
logging.basicConfig(level=logging.WARNING)
|
|
logging.getLogger().setLevel(logging.WARNING)
|
|
elif args.debug:
|
|
logging.basicConfig(level=logging.DEBUG)
|
|
logging.getLogger().setLevel(logging.DEBUG)
|
|
else:
|
|
logging.basicConfig(level=logging.INFO)
|
|
logging.getLogger().setLevel(logging.INFO)
|
|
|
|
try:
|
|
cache_dir = Path(args.cache)
|
|
cache_dir.mkdir(parents=True, exist_ok=True)
|
|
rules = capa.rules.get_rules([Path(args.rules)], cache_dir)
|
|
logger.info("successfully loaded %s rules", len(rules))
|
|
except (IOError, capa.rules.InvalidRule, capa.rules.InvalidRuleSet) as e:
|
|
logger.error("%s", str(e))
|
|
return -1
|
|
|
|
content = capa.rules.cache.get_ruleset_content(rules)
|
|
id = capa.rules.cache.compute_cache_identifier(content)
|
|
path = capa.rules.cache.get_cache_path(cache_dir, id)
|
|
|
|
assert path.exists()
|
|
logger.info("cached to: %s", path)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
sys.exit(main())
|