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commit: 1e03a6b7d241a9eaa3f9950613b37d8c100602d1 |
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Author: Alex Legler <alex <AT> a3li <DOT> li> |
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AuthorDate: Wed Jun 1 17:56:44 2016 +0000 |
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Commit: Alex Legler <a3li <AT> gentoo <DOT> org> |
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CommitDate: Wed Jun 1 17:56:44 2016 +0000 |
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URL: https://gitweb.gentoo.org/proj/security.git/commit/?id=1e03a6b7 |
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|
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Add initial CVETool CLI utility |
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|
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bin/cvetool | 130 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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1 file changed, 130 insertions(+) |
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|
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diff --git a/bin/cvetool b/bin/cvetool |
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new file mode 100755 |
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index 0000000..8e388e0 |
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--- /dev/null |
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+++ b/bin/cvetool |
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@@ -0,0 +1,130 @@ |
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+#!/usr/bin/env python3 |
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+# Copyright 2016 Alex Legler |
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+# Distributed under the terms of the GNU General Public License v3 |
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+ |
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+import json |
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+import re |
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+import string |
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+import sys |
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+import os |
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+import httplib2 |
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+from base64 import b64encode |
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+ |
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+URI_BASE = 'https://glsamaker.gentoo.org' |
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+ |
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+class CVETool: |
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+ """ Interface to GLSAMaker's CVETool """ |
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+ |
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+ def __init__(self, auth, command, args): |
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+ self.auth = auth |
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+ |
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+ if command == 'info': |
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+ self.info(self.cleanup_cve(sys.argv[2])) |
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+ elif command == 'assign': |
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+ if len(args) < 2: |
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+ print('Usage: assign <bug> <CVE> [<CVE>...]') |
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+ print('Assigns a set of CVEs to a bug') |
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+ sys.exit(1) |
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+ |
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+ self.assign(args[0], [self.cleanup_cve(cve) for cve in args[1:]]) |
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+ elif command == 'nfu': |
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+ if len(args) != 1: |
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+ print('Usage: nfu <CVE>') |
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+ print('Marks a CVE as not-for-us') |
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+ sys.exit(1) |
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+ |
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+ self.nfu(self.cleanup_cve(args[0])) |
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+ elif command == 'pw': |
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+ if len(sys.argv) != 4: |
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+ print('Usage: pw <user> <password>') |
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+ print('Generates a base64-encoded credential for storing') |
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+ sys.exit(1) |
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+ |
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+ self.pw(sys.argv[2], sys.argv[3]) |
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+ else: |
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+ self.usage(sys.argv[0]) |
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+ sys.exit(1) |
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+ |
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+ def info(self, cve): |
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+ data = self.json_request('/cve/info/' + cve + '.json') |
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+ |
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+ print(' CVE ID: ' + data['cve_id']) |
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+ print(' Summary: ' + data['summary']) |
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+ print(' Published: ' + data['published_at']) |
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+ print('-' * 80) |
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+ print(' State: ' + data['state']) |
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+ print(' Bugs: ' + ' , '.join(['https://bugs.gentoo.org/' + str(bug) for bug in data['bugs']])) |
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+ |
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+ def assign(self, bug, cves): |
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+ cve_ids = [self.get_internal_cve_id(cve) for cve in cves] |
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+ response = self.request('/cve/assign/?bug=' + str(bug) + '&cves=' + ','.join([str(c) for c in cve_ids])) |
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+ |
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+ if (response == 'ok'): |
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+ print('Assigned bug {} to {}'.format(str(bug), ', '.join(cves))) |
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+ else: |
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+ print('Assigning likely failed: ' + response) |
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+ sys.exit(1) |
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+ |
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+ def nfu(self, cve): |
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+ cve_id = self.get_internal_cve_id(cve) |
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+ response = self.request('/cve/nfu/?cves=' + str(cve_id) + '&reason=') |
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+ |
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+ if (response == 'ok'): |
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+ print('Marked {} as NFU'.format(cve)) |
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+ else: |
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+ print('Assigning likely failed: ' + response) |
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+ sys.exit(1) |
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+ |
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+ |
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+ def usage(self, programname): |
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+ """ Print usage information """ |
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+ print('Usage: {} <command> <cve> [args]'.format(programname)) |
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+ print('CLI for CVETool.') |
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+ |
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+ def pw(self, user, password): |
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+ print(b64encode(bytes(user + ':' + password, 'utf-8')).decode('ascii')) |
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+ |
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+ def get_internal_cve_id(self, cve): |
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+ """ Resolves a CVE id to the internal databse ID """ |
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+ return self.json_request('/cve/info/' + cve + '.json')['id'] |
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+ |
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+ def json_request(self, uri, method='GET'): |
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+ return json.loads(self.request(uri, method)) |
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+ |
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+ def cleanup_cve(self, str): |
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+ regex = re.compile('^(CVE-)?\d{4}-\d{4,}$') |
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+ if not regex.match(str): |
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+ raise ValueError('Cannot parse CVE: ' + str) |
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+ |
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+ if not str.startswith('CVE-'): |
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+ return 'CVE-' + str |
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+ else: |
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+ return str |
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+ |
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+ def request(self, uri, method='GET'): |
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+ client = httplib2.Http('.cache') |
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+ full_uri = URI_BASE + uri |
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+ response, content = client.request(full_uri, method, headers = { 'Authorization': 'Basic ' + self.auth }) |
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+ |
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+ status = response['status'] |
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+ if (status[0] != '2' and status != '304'): |
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+ raise RuntimeError(full_uri + ': ' + status) |
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+ |
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+ return content.decode('utf-8') |
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+ |
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+def main(): |
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+ if not 'CVETOOL_AUTH' in os.environ and not sys.argv[1] == 'pw': |
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+ print('CVETOOL_AUTH environment variable missing. Generate its contents with the pw subcommand.') |
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+ sys.exit(1) |
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+ |
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+ auth = None |
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+ if 'CVETOOL_AUTH' in os.environ: |
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+ auth = os.environ['CVETOOL_AUTH'] |
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+ |
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+ CVETool(auth, sys.argv[1], sys.argv[2:]) |
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+ |
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+if __name__ == "__main__": |
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+ try: |
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+ main() |
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+ except KeyboardInterrupt: |
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+ print('\n ! Exiting.') |