From 4faa7f927149a5c4ef7a03523f7bc14523cb9baa Mon Sep 17 00:00:00 2001 From: Stuart Mackie Date: Fri, 7 Oct 2016 12:24:58 -0700 Subject: Charms for Contrail 3.1 with Mitaka Change-Id: Id37f3b9743d1974e31fcd7cd9c54be41bb0c47fb Signed-off-by: Stuart Mackie --- .../contrib/hardening/host/checks/limits.py | 55 ++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 charms/trusty/ceilometer/charmhelpers/contrib/hardening/host/checks/limits.py (limited to 'charms/trusty/ceilometer/charmhelpers/contrib/hardening/host/checks/limits.py') diff --git a/charms/trusty/ceilometer/charmhelpers/contrib/hardening/host/checks/limits.py b/charms/trusty/ceilometer/charmhelpers/contrib/hardening/host/checks/limits.py new file mode 100644 index 0000000..8ce9dc2 --- /dev/null +++ b/charms/trusty/ceilometer/charmhelpers/contrib/hardening/host/checks/limits.py @@ -0,0 +1,55 @@ +# Copyright 2016 Canonical Limited. +# +# This file is part of charm-helpers. +# +# charm-helpers is free software: you can redistribute it and/or modify +# it under the terms of the GNU Lesser General Public License version 3 as +# published by the Free Software Foundation. +# +# charm-helpers 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 Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with charm-helpers. If not, see . + +from charmhelpers.contrib.hardening.audits.file import ( + DirectoryPermissionAudit, + TemplatedFile, +) +from charmhelpers.contrib.hardening.host import TEMPLATES_DIR +from charmhelpers.contrib.hardening import utils + + +def get_audits(): + """Get OS hardening security limits audits. + + :returns: dictionary of audits + """ + audits = [] + settings = utils.get_settings('os') + + # Ensure that the /etc/security/limits.d directory is only writable + # by the root user, but others can execute and read. + audits.append(DirectoryPermissionAudit('/etc/security/limits.d', + user='root', group='root', + mode=0o755)) + + # If core dumps are not enabled, then don't allow core dumps to be + # created as they may contain sensitive information. + if not settings['security']['kernel_enable_core_dump']: + audits.append(TemplatedFile('/etc/security/limits.d/10.hardcore.conf', + SecurityLimitsContext(), + template_dir=TEMPLATES_DIR, + user='root', group='root', mode=0o0440)) + return audits + + +class SecurityLimitsContext(object): + + def __call__(self): + settings = utils.get_settings('os') + ctxt = {'disable_core_dump': + not settings['security']['kernel_enable_core_dump']} + return ctxt -- cgit 1.2.3-korg