105 lines
3.5 KiB
Python
105 lines
3.5 KiB
Python
# Copyright 2016 Canonical Limited.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import re
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import six
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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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DeletedFile
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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=os.path.join(
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settings['common']['apache_dir'], 'apache2.conf'),
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user='root', 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=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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TemplatedFile(os.path.join(settings['common']['apache_dir'],
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'conf-enabled/99-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=0o0750),
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DisabledModuleAudit(settings['hardening']['modules_to_disable']),
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NoReadWriteForOther(settings['common']['apache_dir']),
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DeletedFile(['/var/www/html/index.html'])
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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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if six.PY3:
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out = out.decode('utf-8')
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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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return ctxt
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