adulau/git-vuln-finder
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Make the whole thing importable in a Python code.

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Cédric Bonhomme 2020-01-06 16:29:30 +01:00
parent 73d5349b08
commit 552937a7bb
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5 changed files with 286 additions and 76 deletions
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80
bin/finder.py
View file

@ -10,13 +10,11 @@
# Copyright (c) 2019-2020 Alexandre Dulaunoy - a@foo.be
import git
import json
import sys
import argparse
import typing
from git_vuln_finder import get_patterns, find_vuln, summary
from git_vuln_finder import find, find_vuln, summary
def main():
@ -49,84 +47,18 @@ def main():
)
args = parser.parse_args()
patterns = get_patterns()
vulnpatterns = patterns["en"]["medium"]["vuln"]
cryptopatterns = patterns["en"]["medium"]["crypto"]
cpatterns = patterns["en"]["medium"]["c"]
if args.p == "vulnpatterns":
defaultpattern = vulnpatterns
elif args.p == "cryptopatterns":
defaultpattern = cryptopatterns
elif args.p == "cpatterns":
defaultpattern = cpatterns
elif args.p == "all":
defaultpattern = [vulnpatterns, cryptopatterns, cpatterns]
else:
if args.p not in ["vulnpatterns", "cryptopatterns", "cpatterns", "all"]:
parser.print_usage()
parser.exit()
if not args.r:
parser.print_usage()
parser.exit()
else:
repo = git.Repo(args.r)
# Initialization of the variables for the results
found = 0
all_potential_vulnerabilities = {}
all_cve_found = set()
repo_heads = repo.heads
repo_heads_names = [h.name for h in repo_heads]
print(repo_heads_names, file=sys.stderr)
origin = repo.remotes.origin.url
tagmap = {}
if args.t:
for t in repo.tags:
tagmap.setdefault(repo.commit(t).hexsha, []).append(str(t))
for branch in repo_heads_names:
commits = list(repo.iter_commits(branch))
defaultpattern
for commit in commits:
if isinstance(defaultpattern, typing.Pattern):
ret = find_vuln(commit, pattern=defaultpattern, verbose=args.v)
if ret:
rcommit = ret["commit"]
_, potential_vulnerabilities, cve_found = summary(
repo,
rcommit,
branch,
tagmap,
defaultpattern,
origin=origin,
vuln_match=ret["match"],
tags_matching=args.t,
commit_state=args.s,
)
all_potential_vulnerabilities.update(potential_vulnerabilities)
all_cve_found.update(cve_found)
found += 1
elif isinstance(defaultpattern, list):
for p in defaultpattern:
ret = find_vuln(commit, pattern=p, verbose=args.v)
if ret:
rcommit = ret["commit"]
_, potential_vulnerabilities, cve_found = summary(
repo,
rcommit,
branch,
tagmap,
p,
origin=origin,
vuln_match=ret["match"],
tags_matching=args.t,
commit_state=args.s,
)
all_potential_vulnerabilities.update(potential_vulnerabilities)
all_cve_found.update(cve_found)
found += 1
all_potential_vulnerabilities, all_cve_found, found = find(
args.r, tags_matching=args.t, commit_state=args.s, verbose=args.v,
defaultpattern=args.p
)
if not args.c:
print(json.dumps(all_potential_vulnerabilities))

1
git_vuln_finder/__init__.py
View file

@ -1,5 +1,6 @@
from git_vuln_finder.pattern import build_pattern
from git_vuln_finder.pattern import get_patterns
from git_vuln_finder.vulnerability import find
from git_vuln_finder.vulnerability import find_vuln
from git_vuln_finder.vulnerability import summary
from git_vuln_finder.vulnerability import extract_cve

81
git_vuln_finder/vulnerability.py
View file

@ -9,11 +9,90 @@
#
# Copyright (c) 2019-2020 Alexandre Dulaunoy - a@foo.be
import git
import re
import sys
import typing
from langdetect import detect as langdetect
from git_vuln_finder import get_patterns
def find(repo, tags_matching=False, commit_state="under-review", verbose=False, defaultpattern="all"):
# Initialization of the variables for the results
repo = git.Repo(repo)
found = 0
all_potential_vulnerabilities = {}
all_cve_found = set()
# Initialization of the patterns
patterns = get_patterns()
vulnpatterns = patterns["en"]["medium"]["vuln"]
cryptopatterns = patterns["en"]["medium"]["crypto"]
cpatterns = patterns["en"]["medium"]["c"]
if defaultpattern == "vulnpatterns":
defaultpattern = vulnpatterns
elif defaultpattern == "cryptopatterns":
defaultpattern = cryptopatterns
elif defaultpattern == "cpatterns":
defaultpattern = cpatterns
elif defaultpattern == "all":
defaultpattern = [vulnpatterns, cryptopatterns, cpatterns]
repo_heads = repo.heads
repo_heads_names = [h.name for h in repo_heads]
print(repo_heads_names, file=sys.stderr)
origin = repo.remotes.origin.url
tagmap = {}
if tags_matching:
for t in repo.tags:
tagmap.setdefault(repo.commit(t).hexsha, []).append(str(t))
for branch in repo_heads_names:
commits = list(repo.iter_commits(branch))
defaultpattern
for commit in commits:
if isinstance(defaultpattern, typing.Pattern):
ret = find_vuln(commit, pattern=defaultpattern, verbose=verbose)
if ret:
rcommit = ret["commit"]
_, potential_vulnerabilities, cve_found = summary(
repo,
rcommit,
branch,
tagmap,
defaultpattern,
origin=origin,
vuln_match=ret["match"],
tags_matching=tags_matching,
commit_state=commit_state,
)
all_potential_vulnerabilities.update(potential_vulnerabilities)
all_cve_found.update(cve_found)
found += 1
elif isinstance(defaultpattern, list):
for p in defaultpattern:
ret = find_vuln(commit, pattern=p, verbose=verbose)
if ret:
rcommit = ret["commit"]
_, potential_vulnerabilities, cve_found = summary(
repo,
rcommit,
branch,
tagmap,
p,
origin=origin,
vuln_match=ret["match"],
tags_matching=tags_matching,
commit_state=commit_state,
)
all_potential_vulnerabilities.update(potential_vulnerabilities)
all_cve_found.update(cve_found)
found += 1
return all_potential_vulnerabilities, all_cve_found, found
def find_vuln(commit, pattern, verbose=False):
m = pattern.search(commit.message)

199
poetry.lock generated
View file

@ -1,3 +1,35 @@
[[package]]
category = "dev"
description = "Atomic file writes."
marker = "sys_platform == \"win32\""
name = "atomicwrites"
optional = false
python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
version = "1.3.0"
[[package]]
category = "dev"
description = "Classes Without Boilerplate"
name = "attrs"
optional = false
python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
version = "19.3.0"
[package.extras]
azure-pipelines = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "pytest-azurepipelines"]
dev = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "sphinx", "pre-commit"]
docs = ["sphinx", "zope.interface"]
tests = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface"]
[[package]]
category = "dev"
description = "Cross-platform colored terminal text."
marker = "sys_platform == \"win32\""
name = "colorama"
optional = false
python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
version = "0.4.3"
[[package]]
category = "dev"
description = "Code coverage measurement for Python"
@ -53,6 +85,22 @@ version = "3.0.5"
[package.dependencies]
gitdb2 = ">=2.0.0"
[[package]]
category = "dev"
description = "Read metadata from Python packages"
marker = "python_version < \"3.8\""
name = "importlib-metadata"
optional = false
python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
version = "1.3.0"
[package.dependencies]
zipp = ">=0.5"
[package.extras]
docs = ["sphinx", "rst.linker"]
testing = ["packaging", "importlib-resources"]
[[package]]
category = "main"
description = "Language detection library ported from Google's language-detection."
@ -72,6 +120,14 @@ optional = false
python-versions = "*"
version = "0.6.1"
[[package]]
category = "dev"
description = "More routines for operating on iterables, beyond itertools"
name = "more-itertools"
optional = false
python-versions = ">=3.5"
version = "8.0.2"
[[package]]
category = "dev"
description = "Optional static typing for Python"
@ -112,6 +168,42 @@ six = ">=1.7"
coverage_plugin = ["coverage (>=4.4.1)"]
doc = ["Sphinx (>=1.6.5)", "sphinx-rtd-theme", "mock"]
[[package]]
category = "dev"
description = "Core utilities for Python packages"
name = "packaging"
optional = false
python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
version = "20.0"
[package.dependencies]
pyparsing = ">=2.0.2"
six = "*"
[[package]]
category = "dev"
description = "plugin and hook calling mechanisms for python"
name = "pluggy"
optional = false
python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
version = "0.13.1"
[package.dependencies]
[package.dependencies.importlib-metadata]
python = "<3.8"
version = ">=0.12"
[package.extras]
dev = ["pre-commit", "tox"]
[[package]]
category = "dev"
description = "library with cross-python path, ini-parsing, io, code, log facilities"
name = "py"
optional = false
python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
version = "1.8.1"
[[package]]
category = "dev"
description = "Python style guide checker"
@ -128,6 +220,39 @@ optional = false
python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
version = "2.1.1"
[[package]]
category = "dev"
description = "Python parsing module"
name = "pyparsing"
optional = false
python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
version = "2.4.6"
[[package]]
category = "dev"
description = "pytest: simple powerful testing with Python"
name = "pytest"
optional = false
python-versions = ">=3.5"
version = "5.3.2"
[package.dependencies]
atomicwrites = ">=1.0"
attrs = ">=17.4.0"
colorama = "*"
more-itertools = ">=4.0.0"
packaging = "*"
pluggy = ">=0.12,<1.0"
py = ">=1.5.0"
wcwidth = "*"
[package.dependencies.importlib-metadata]
python = "<3.8"
version = ">=0.12"
[package.extras]
testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "requests", "xmlschema"]
[[package]]
category = "main"
description = "Python 2 and 3 compatibility utilities"
@ -160,11 +285,47 @@ optional = false
python-versions = "*"
version = "3.7.4.1"
[[package]]
category = "dev"
description = "Measures number of Terminal column cells of wide-character codes"
name = "wcwidth"
optional = false
python-versions = "*"
version = "0.1.8"
[[package]]
category = "dev"
description = "Backport of pathlib-compatible object wrapper for zip files"
marker = "python_version < \"3.8\""
name = "zipp"
optional = false
python-versions = ">=2.7"
version = "0.6.0"
[package.dependencies]
more-itertools = "*"
[package.extras]
docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
testing = ["pathlib2", "contextlib2", "unittest2"]
[metadata]
content-hash = "4fd05852a9f3844298b1c0dbc4ab61ddbb77f4a42602c42982e19e531a7883d6"
content-hash = "9b6cd9aab07a97a57d8b9c67c7dfc9d859f1c743ef2a901004eea7bd976dd040"
python-versions = "^3.6"
[metadata.files]
atomicwrites = [
{file = "atomicwrites-1.3.0-py2.py3-none-any.whl", hash = "sha256:03472c30eb2c5d1ba9227e4c2ca66ab8287fbfbbda3888aa93dc2e28fc6811b4"},
{file = "atomicwrites-1.3.0.tar.gz", hash = "sha256:75a9445bac02d8d058d5e1fe689654ba5a6556a1dfd8ce6ec55a0ed79866cfa6"},
]
attrs = [
{file = "attrs-19.3.0-py2.py3-none-any.whl", hash = "sha256:08a96c641c3a74e44eb59afb61a24f2cb9f4d7188748e76ba4bb5edfa3cb7d1c"},
{file = "attrs-19.3.0.tar.gz", hash = "sha256:f7b7ce16570fe9965acd6d30101a28f62fb4a7f9e926b3bbc9b61f8b04247e72"},
]
colorama = [
{file = "colorama-0.4.3-py2.py3-none-any.whl", hash = "sha256:7d73d2a99753107a36ac6b455ee49046802e59d9d076ef8e47b61499fa29afff"},
{file = "colorama-0.4.3.tar.gz", hash = "sha256:e96da0d330793e2cb9485e9ddfd918d456036c7149416295932478192f4436a1"},
]
coverage = [
{file = "coverage-5.0.1-cp27-cp27m-macosx_10_12_x86_64.whl", hash = "sha256:c90bda74e16bcd03861b09b1d37c0a4158feda5d5a036bb2d6e58de6ff65793e"},
{file = "coverage-5.0.1-cp27-cp27m-macosx_10_13_intel.whl", hash = "sha256:bb3d29df5d07d5399d58a394d0ef50adf303ab4fbf66dfd25b9ef258effcb692"},
@ -214,6 +375,10 @@ gitpython = [
{file = "GitPython-3.0.5-py3-none-any.whl", hash = "sha256:c155c6a2653593ccb300462f6ef533583a913e17857cfef8fc617c246b6dc245"},
{file = "GitPython-3.0.5.tar.gz", hash = "sha256:9c2398ffc3dcb3c40b27324b316f08a4f93ad646d5a6328cafbb871aa79f5e42"},
]
importlib-metadata = [
{file = "importlib_metadata-1.3.0-py2.py3-none-any.whl", hash = "sha256:d95141fbfa7ef2ec65cfd945e2af7e5a6ddbd7c8d9a25e66ff3be8e3daf9f60f"},
{file = "importlib_metadata-1.3.0.tar.gz", hash = "sha256:073a852570f92da5f744a3472af1b61e28e9f78ccf0c9117658dc32b15de7b45"},
]
langdetect = [
{file = "langdetect-1.0.7.zip", hash = "sha256:91a170d5f0ade380db809b3ba67f08e95fe6c6c8641f96d67a51ff7e98a9bf30"},
]
@ -221,6 +386,10 @@ mccabe = [
{file = "mccabe-0.6.1-py2.py3-none-any.whl", hash = "sha256:ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42"},
{file = "mccabe-0.6.1.tar.gz", hash = "sha256:dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f"},
]
more-itertools = [
{file = "more-itertools-8.0.2.tar.gz", hash = "sha256:b84b238cce0d9adad5ed87e745778d20a3f8487d0f0cb8b8a586816c7496458d"},
{file = "more_itertools-8.0.2-py3-none-any.whl", hash = "sha256:c833ef592a0324bcc6a60e48440da07645063c453880c9477ceb22490aec1564"},
]
mypy = [
{file = "mypy-0.750-cp35-cp35m-macosx_10_6_x86_64.whl", hash = "sha256:de9ec8dba773b78c49e7bec9a35c9b6fc5235682ad1fc2105752ae7c22f4b931"},
{file = "mypy-0.750-cp35-cp35m-manylinux1_x86_64.whl", hash = "sha256:3294821b5840d51a3cd7a2bb63b40fc3f901f6a3cfb3c6046570749c4c7ef279"},
@ -245,6 +414,18 @@ nose2 = [
{file = "nose2-0.9.1-py2.py3-none-any.whl", hash = "sha256:31d8beb00aed3ccc6efb1742bb90227d883e471715188249f594310676e0ef0e"},
{file = "nose2-0.9.1.tar.gz", hash = "sha256:0ede156fd7974fa40893edeca0b709f402c0ccacd7b81b22e76f73c116d1b999"},
]
packaging = [
{file = "packaging-20.0-py2.py3-none-any.whl", hash = "sha256:aec3fdbb8bc9e4bb65f0634b9f551ced63983a529d6a8931817d52fdd0816ddb"},
{file = "packaging-20.0.tar.gz", hash = "sha256:fe1d8331dfa7cc0a883b49d75fc76380b2ab2734b220fbb87d774e4fd4b851f8"},
]
pluggy = [
{file = "pluggy-0.13.1-py2.py3-none-any.whl", hash = "sha256:966c145cd83c96502c3c3868f50408687b38434af77734af1e9ca461a4081d2d"},
{file = "pluggy-0.13.1.tar.gz", hash = "sha256:15b2acde666561e1298d71b523007ed7364de07029219b604cf808bfa1c765b0"},
]
py = [
{file = "py-1.8.1-py2.py3-none-any.whl", hash = "sha256:c20fdd83a5dbc0af9efd622bee9a5564e278f6380fffcacc43ba6f43db2813b0"},
{file = "py-1.8.1.tar.gz", hash = "sha256:5e27081401262157467ad6e7f851b7aa402c5852dbcb3dae06768434de5752aa"},
]
pycodestyle = [
{file = "pycodestyle-2.5.0-py2.py3-none-any.whl", hash = "sha256:95a2219d12372f05704562a14ec30bc76b05a5b297b21a5dfe3f6fac3491ae56"},
{file = "pycodestyle-2.5.0.tar.gz", hash = "sha256:e40a936c9a450ad81df37f549d676d127b1b66000a6c500caa2b085bc0ca976c"},
@ -253,6 +434,14 @@ pyflakes = [
{file = "pyflakes-2.1.1-py2.py3-none-any.whl", hash = "sha256:17dbeb2e3f4d772725c777fabc446d5634d1038f234e77343108ce445ea69ce0"},
{file = "pyflakes-2.1.1.tar.gz", hash = "sha256:d976835886f8c5b31d47970ed689944a0262b5f3afa00a5a7b4dc81e5449f8a2"},
]
pyparsing = [
{file = "pyparsing-2.4.6-py2.py3-none-any.whl", hash = "sha256:c342dccb5250c08d45fd6f8b4a559613ca603b57498511740e65cd11a2e7dcec"},
{file = "pyparsing-2.4.6.tar.gz", hash = "sha256:4c830582a84fb022400b85429791bc551f1f4871c33f23e44f353119e92f969f"},
]
pytest = [
{file = "pytest-5.3.2-py3-none-any.whl", hash = "sha256:e41d489ff43948babd0fad7ad5e49b8735d5d55e26628a58673c39ff61d95de4"},
{file = "pytest-5.3.2.tar.gz", hash = "sha256:6b571215b5a790f9b41f19f3531c53a45cf6bb8ef2988bc1ff9afb38270b25fa"},
]
six = [
{file = "six-1.13.0-py2.py3-none-any.whl", hash = "sha256:1f1b7d42e254082a9db6279deae68afb421ceba6158efa6131de7b3003ee93fd"},
{file = "six-1.13.0.tar.gz", hash = "sha256:30f610279e8b2578cab6db20741130331735c781b56053c59c4076da27f06b66"},
@ -288,3 +477,11 @@ typing-extensions = [
{file = "typing_extensions-3.7.4.1-py3-none-any.whl", hash = "sha256:cf8b63fedea4d89bab840ecbb93e75578af28f76f66c35889bd7065f5af88575"},
{file = "typing_extensions-3.7.4.1.tar.gz", hash = "sha256:091ecc894d5e908ac75209f10d5b4f118fbdb2eb1ede6a63544054bb1edb41f2"},
]
wcwidth = [
{file = "wcwidth-0.1.8-py2.py3-none-any.whl", hash = "sha256:8fd29383f539be45b20bd4df0dc29c20ba48654a41e661925e612311e9f3c603"},
{file = "wcwidth-0.1.8.tar.gz", hash = "sha256:f28b3e8a6483e5d49e7f8949ac1a78314e740333ae305b4ba5defd3e74fb37a8"},
]
zipp = [
{file = "zipp-0.6.0-py2.py3-none-any.whl", hash = "sha256:f06903e9f1f43b12d371004b4ac7b06ab39a44adc747266928ae6debfa7b3335"},
{file = "zipp-0.6.0.tar.gz", hash = "sha256:3718b1cbcd963c7d4c5511a8240812904164b7f381b647143a89d3b98f9bcd8e"},
]

1
pyproject.toml
View file

@ -53,6 +53,7 @@ gitpython = "^3.0.5"
mypy = "^0.750"
flake8 = "^3.7.9"
nose2 = "^0.9.1"
pytest = "^5.3.2"
[build-system]
requires = ["poetry>=0.12"]