# Checks related to the patch's CVE lines
#
# Copyright (C) 2016 Intel Corporation
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

# SPDX-License-Identifier: GPL-2.0-or-later

import base
import os
import parse_cve_tags
import re

class CVE(base.Base):

    revert_shortlog_regex = re.compile('Revert\s+".*"')
    prog = parse_cve_tags.cve_tag

    def setUp(self):
        if self.unidiff_parse_error:
            self.skip('Parse error %s' % self.unidiff_parse_error)

        # we are just interested in series that introduce CVE patches, thus discard other
        # possibilities: modification to current CVEs, patch directly introduced into the
        # recipe, upgrades already including the CVE, etc.
        new_cves = [p for p in self.patchset if p.path.endswith('.patch') and p.is_added_file]
        if not new_cves:
            self.skip('No new CVE patches introduced')

    def test_cve_presence_in_commit_message(self):
        for commit in CVE.commits:
            # skip those patches that revert older commits, these do not required the tag presence
            if self.revert_shortlog_regex.match(commit.shortlog):
                continue
            if not self.prog.search_string(commit.payload):
                self.fail('Missing or incorrectly formatted CVE tag in mbox',
                          'Correct or include the CVE tag in the mbox with format: "CVE: CVE-YYYY-XXXX"',
                          commit)