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#
# Author:: Sean O'Meara
# Author:: Kevin Keane
# Author:: Lamont Granquist (<lamont@chef.io>)
#
# Copyright:: Copyright (c) Chef Software Inc.
# Copyright:: Copyright 2013-2016, North County Tech Center, LLC
#
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
require_relative "../mixin/shell_out"
require_relative "../mixin/which"
class Chef
class Util
#
# IMPORTANT: We assume that selinux utilities are installed on an
# selinux enabled server. Provisioning an selinux enabled server
# without selinux utilities is not supported.
#
module Selinux
include Chef::Mixin::ShellOut
include Chef::Mixin::Which
# We want to initialize below variables once during a
# chef-client run therefore they are class variables.
@@selinux_enabled = nil
@@restorecon_path = nil
@@selinuxenabled_path = nil
def selinux_enabled?
@@selinux_enabled = check_selinux_enabled? if @@selinux_enabled.nil?
@@selinux_enabled
end
def restore_security_context(file_path, recursive = false)
if restorecon_path
restorecon_flags = [ "-R" ]
restorecon_flags << "-r" if recursive
restorecon_flags << file_path
Chef::Log.trace("Restoring selinux security content with #{restorecon_path}")
shell_out!(restorecon_path, restorecon_flags)
else
Chef::Log.warn "Can not find 'restorecon' on the system. Skipping selinux security context restore."
end
end
private
def restorecon_path
@@restorecon_path = which("restorecon") if @@restorecon_path.nil?
@@restorecon_path
end
def selinuxenabled_path
@@selinuxenabled_path = which("selinuxenabled") if @@selinuxenabled_path.nil?
@@selinuxenabled_path
end
def check_selinux_enabled?
if selinuxenabled_path
cmd = shell_out!(selinuxenabled_path, returns: [0, 1])
case cmd.exitstatus
when 1
false
when 0
true
else
raise "Unknown exit code from command #{selinuxenabled_path}: #{cmd.exitstatus}"
end
else
# We assume selinux is not enabled if selinux utils are not
# installed.
false
end
end
end
end
end
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