mirror of
https://github.com/cve-search/git-vuln-finder.git
synced 2024-11-29 18:27:20 +00:00
119 lines
4.8 KiB
Python
119 lines
4.8 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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#
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# Finding potential software vulnerabilities from git commit messages
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#
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# Software is free software released under the "GNU Affero General Public License v3.0"
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#
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# This software is part of cve-search.org
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#
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# Copyright (c) 2019-2020 Alexandre Dulaunoy - a@foo.be
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import git
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import json
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import sys
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import argparse
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import typing
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from git_vuln_finder import (
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get_patterns,
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find_vuln,
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summary
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)
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def main():
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"""Point of entry for the script.
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"""
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# Parsing arguments
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parser = argparse.ArgumentParser(description = "Finding potential software vulnerabilities from git commit messages.", epilog = "More info: https://github.com/cve-search/git-vuln-finder")
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parser.add_argument("-v", help="increase output verbosity", action="store_true")
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parser.add_argument("-r", type=str, help="git repository to analyse")
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parser.add_argument("-o", type=str, help="Output format: [json]", default="json")
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parser.add_argument("-s", type=str, help="State of the commit found", default="under-review")
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parser.add_argument("-p", type=str, help="Matching pattern to use: [vulnpatterns, cryptopatterns, cpatterns] - the pattern 'all' is used to match all the patterns at once.", default="vulnpatterns")
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parser.add_argument("-c", help="output only a list of the CVE pattern found in commit messages (disable by default)", action="store_true")
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parser.add_argument("-t", help="Include tags matching a specific commit", action="store_true")
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args = parser.parse_args()
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patterns = get_patterns()
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vulnpatterns = patterns["en"]["medium"]["vuln"]
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cryptopatterns = patterns["en"]["medium"]["crypto"]
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cpatterns = patterns["en"]["medium"]["c"]
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if args.p == "vulnpatterns":
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defaultpattern = vulnpatterns
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elif args.p == "cryptopatterns":
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defaultpattern = cryptopatterns
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elif args.p == "cpatterns":
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defaultpattern = cpatterns
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elif args.p == "all":
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defaultpattern = [vulnpatterns, cryptopatterns, cpatterns]
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else:
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parser.print_usage()
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parser.exit()
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if not args.r:
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parser.print_usage()
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parser.exit()
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else:
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repo = git.Repo(args.r)
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# Initialization of the variables for the results
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found = 0
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all_potential_vulnerabilities = {}
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cve_found = set()
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repo_heads = repo.heads
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repo_heads_names = [h.name for h in repo_heads]
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print(repo_heads_names, file=sys.stderr)
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origin = repo.remotes.origin.url
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if args.t:
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tagmap = {}
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for t in repo.tags:
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tagmap.setdefault(repo.commit(t).hexsha, []).append(str(t))
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for branch in repo_heads_names:
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commits = list(repo.iter_commits(branch))
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defaultpattern
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for commit in commits:
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if isinstance(defaultpattern, typing.Pattern):
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ret = find_vuln(commit, pattern=defaultpattern, versbose=args.v)
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if ret:
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rcommit = ret['commit']
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_, potential_vulnerabilities = summary(rcommit,
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branch,
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defaultpattern,
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origin=origin,
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vuln_match=ret['match'],
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tags_matching=args.t,
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commit_state=args.s)
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all_potential_vulnerabilities.update(potential_vulnerabilities)
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found += 1
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elif isinstance(defaultpattern, list):
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for p in defaultpattern:
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ret = find_vuln(commit, pattern=p, versbose=args.v)
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if ret:
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rcommit = ret['commit']
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_, potential_vulnerabilities = summary(rcommit,
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branch,
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p,
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origin=origin,
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vuln_match=ret['match'],
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tags_matching=args.t,
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commit_state=args.s)
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all_potential_vulnerabilities.update(potential_vulnerabilities)
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found += 1
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if not args.c:
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print(json.dumps(all_potential_vulnerabilities))
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elif args.c:
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print(json.dumps(list(cve_found)))
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print("{} CVE referenced found in commit(s)".format(len(list(cve_found))), file=sys.stderr)
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print("Total potential vulnerability found in {} commit(s)".format(found), file=sys.stderr)
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