Pylint Secure Coding Standard Plugin
pylint plugin that enforces some secure coding standards.
Installation
pip install pylint-secure-coding-standard
Pylint codes
| Code | Description |
|---|---|
| R8000 | Use os.path.realpath() instead of os.path.abspath() and os.path.relpath() |
| E8001 | Avoid using exec() and eval() |
| E8002 | Avoid using os.sytem() |
| E8003 | Avoid using shell=True in subprocess functions or using functions that internally set this |
| R8004 | Avoid using tempfile.mktemp(), prefer tempfile.mkstemp() instead |
| E8005 | Avoid using unsafe PyYAML loading functions |
| E8006 | Avoid using jsonpickle.decode() |
| C8007 | Avoid debug statement in production code |
| C8008 | Avoid assert statements in production code |
| R8009 | Use of builtin open for writing is discouraged in favor of os.open to allow for setting file permissions |
| E8010 | Avoid using os.popen() as it internally uses subprocess.Popen with shell=True |
| E8011 | Use of shlex.quote() should be avoided on non-POSIX platforms |
| W8012 | Avoid using os.open() with unsafe permissions permissions |
| E8013 | Avoid using pickle.load() and pickle.loads() |
| E8014 | Avoid using marshal.load() and marshal.loads() |
| E8015 | Avoid using shelve.open() |
| W8016 | Avoid using os.mkdir and os.makedirs with unsafe file permissions |
| W8017 | Avoid using os.mkfifo with unsafe file permissions |
| W8018 | Avoid using os.mknod with unsafe file permissions |
| W8019 | Avoid using os.chmod with unsafe permissions (W ^ X for group and others) |
Plugin configuration options
This plugin supports some configuration options that may either be specified directly on the command line with a flag using the option name as --name or by specifying them in one of pylint's configuration files (ie. pyproject.toml, pylintrc, etc.).
Available options:
| Option name | Option type | Default value | Related error code |
|---|---|---|---|
| os-open-mode | mode-like | 0 (off) | W8012 |
| os-mkdir-mode | mode-like | 0 (off) | E8016 |
| os-mkfifo-mode | mode-like | 0 (off) | E8017 |
| os-mknod-mode | mode-like | 0 (off) | E8018 |
Mode-like options
Mode-like options are configuration options for errors/warnings that relate to some function that accepts a mode parameter (or similar) that control some file or directory permissions. For those kind of options, the plugin understands a variety of values that must be specified as string. They will then be parsed into a list of allowed mode values:
- Any positive, non-zero (octal or decimal) integer value specifies the maximum value for the mode value
- A comma-separated list of (octal or decimal) integers indicates the list of allowed mode values
- 'y', 'yes', 'true' (case-insensitive) will turn on the warnings using the default value of
0o755 - 'n', 'no', 'false' (case-insensitive) will turn off the warnings
Example of values:
[tool.pylint.plugins]
os-open-mode = '0' # check disabled
os-open-mode = 'no' # check disabled
os-open-mode = '493' # all modes from 0 to 493 (=0o755)
os-open-mode = '0o755' # all modes from 0 to 0o755
os-open-mode = '0o755,' # only 0o755 (notice the comma)
os-open-mode = '0o644,0o755' # only 0o644 and 0o755
You can also specify those options directly on the command line:
python3 -m pylint --load-plugins=pylint_secure_coding_standard --os-open-mode='0o755'
Pre-commit hook
See pre-commit for instructions
Sample .pre-commit-config.yaml:
- repo: https://github.com/PyCQA/pylint/
rev: pylint-2.6.0
hooks:
- id: pylint
args: [--load-plugins=pylint_secure_coding_standard]
additional_dependencies: ['pylint-secure-coding-standard']
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