101 lines
3.5 KiB
Python
101 lines
3.5 KiB
Python
# Copyright 2016 Canonical Limited.
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#
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# This file is part of charm-helpers.
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#
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# charm-helpers is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License version 3 as
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# published by the Free Software Foundation.
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#
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# charm-helpers is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with charm-helpers. If not, see <http://www.gnu.org/licenses/>.
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import os
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import re
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import subprocess
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from charmhelpers.core.hookenv import (
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log,
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INFO,
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)
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from charmhelpers.contrib.hardening.audits.file import (
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FilePermissionAudit,
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DirectoryPermissionAudit,
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NoReadWriteForOther,
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TemplatedFile,
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)
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from charmhelpers.contrib.hardening.audits.apache import DisabledModuleAudit
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from charmhelpers.contrib.hardening.apache import TEMPLATES_DIR
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from charmhelpers.contrib.hardening import utils
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def get_audits():
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"""Get Apache hardening config audits.
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:returns: dictionary of audits
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"""
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if subprocess.call(['which', 'apache2'], stdout=subprocess.PIPE) != 0:
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log("Apache server does not appear to be installed on this node - "
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"skipping apache hardening", level=INFO)
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return []
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context = ApacheConfContext()
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settings = utils.get_settings('apache')
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audits = [
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FilePermissionAudit(paths='/etc/apache2/apache2.conf', user='root',
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group='root', mode=0o0640),
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TemplatedFile(os.path.join(settings['common']['apache_dir'],
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'mods-available/alias.conf'),
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context,
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TEMPLATES_DIR,
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mode=0o0755,
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user='root',
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service_actions=[{'service': 'apache2',
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'actions': ['restart']}]),
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TemplatedFile(os.path.join(settings['common']['apache_dir'],
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'conf-enabled/hardening.conf'),
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context,
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TEMPLATES_DIR,
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mode=0o0640,
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user='root',
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service_actions=[{'service': 'apache2',
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'actions': ['restart']}]),
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DirectoryPermissionAudit(settings['common']['apache_dir'],
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user='root',
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group='root',
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mode=0o640),
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DisabledModuleAudit(settings['hardening']['modules_to_disable']),
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NoReadWriteForOther(settings['common']['apache_dir']),
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]
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return audits
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class ApacheConfContext(object):
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"""Defines the set of key/value pairs to set in a apache config file.
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This context, when called, will return a dictionary containing the
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key/value pairs of setting to specify in the
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/etc/apache/conf-enabled/hardening.conf file.
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"""
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def __call__(self):
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settings = utils.get_settings('apache')
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ctxt = settings['hardening']
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out = subprocess.check_output(['apache2', '-v'])
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ctxt['apache_version'] = re.search(r'.+version: Apache/(.+?)\s.+',
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out).group(1)
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ctxt['apache_icondir'] = '/usr/share/apache2/icons/'
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ctxt['traceenable'] = settings['hardening']['traceenable']
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return ctxt
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