inspec/lib/resources/postgres_conf.rb
2015-12-01 10:56:47 +01:00

93 lines
2.3 KiB
Ruby

# encoding: utf-8
# copyright: 2015, Vulcano Security GmbH
# author: Dominik Richter
# author: Christoph Hartmann
# license: All rights reserved
require 'utils/simpleconfig'
require 'utils/find_files'
require 'resources/postgres'
class PostgresConf < Inspec.resource(1)
name 'postgres_conf'
desc 'Use the postgres_conf InSpec audit resource to test the contents of the configuration file for PostgreSQL, typically located at /etc/postgresql/<version>/main/postgresql.conf or /var/lib/postgres/data/postgresql.conf, depending on the platform.'
example "
describe postgres_conf do
its('max_connections') { should eq '5' }
end
"
include FindFiles
def initialize(conf_path = nil)
@conf_path = conf_path || inspec.postgres.conf_path
@conf_dir = File.expand_path(File.dirname @conf_path)
@files_contents = {}
@content = nil
@params = nil
read_content
end
def content
@content ||= read_content
end
def params(*opts)
@params || read_content
res = @params
opts.each do |opt|
res = res[opt] unless res.nil?
end
res
end
def read_content
@content = ''
@params = {}
# skip if the main configuration file doesn't exist
if !inspec.file(@conf_path).file?
return skip_resource "Can't find file \"#{@conf_path}\""
end
raw_conf = read_file(@conf_path)
if raw_conf.empty? && inspec.file(@conf_path).size > 0
return skip_resource("Can't read file \"#{@conf_path}\"")
end
to_read = [@conf_path]
until to_read.empty?
raw_conf = read_file(to_read[0])
@content += raw_conf
params = SimpleConfig.new(raw_conf).params
@params.merge!(params)
to_read = to_read.drop(1)
# see if there is more config files to include
to_read += include_files(params).find_all do |fp|
not @files_contents.key? fp
end
end
@content
end
def include_files(params)
include_files = params['include'] || []
include_files += params['include_if_exists'] || []
dirs = params['include_dir'] || []
dirs.each do |dir|
dir = File.join(@conf_dir, dir) if dir[0] != '/'
include_files += find_files(dir, depth: 1, type: 'file')
end
include_files
end
def read_file(path)
@files_contents[path] ||= inspec.file(path).content
end
def to_s
'PostgreSQL Configuration'
end
end