mirror of
https://github.com/inspec/inspec
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108 lines
2.8 KiB
Ruby
108 lines
2.8 KiB
Ruby
# encoding: utf-8
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# copyright: 2015, Vulcano Security GmbH
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# author: Dominik Richter
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# author: Christoph Hartmann
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# license: All rights reserved
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require 'utils/simpleconfig'
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require 'utils/find_files'
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require 'resources/postgres'
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module Inspec::Resources
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class PostgresConf < Inspec.resource(1)
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name 'postgres_conf'
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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.'
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example "
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describe postgres_conf do
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its('max_connections') { should eq '5' }
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end
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"
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include FindFiles
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def initialize(conf_path = nil)
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@conf_path = conf_path || inspec.postgres.conf_path
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@conf_dir = File.expand_path(File.dirname(@conf_path))
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@files_contents = {}
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@content = nil
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@params = nil
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read_content
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end
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def content
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@content ||= read_content
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end
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def params(*opts)
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@params || read_content
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res = @params
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opts.each do |opt|
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res = res[opt] unless res.nil?
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end
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res
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end
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def method_missing(name)
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param = params[name.to_s]
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return nil if param.nil?
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# extract first value if we have only one value in array
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return param[0] if param.length == 1
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param
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end
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def to_s
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'PostgreSQL Configuration'
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end
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private
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def read_content
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@content = ''
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@params = {}
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# skip if the main configuration file doesn't exist
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if !inspec.file(@conf_path).file?
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return skip_resource "Can't find file \"#{@conf_path}\""
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end
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raw_conf = read_file(@conf_path)
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if raw_conf.empty? && !inspec.file(@conf_path).empty?
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return skip_resource("Can't read file \"#{@conf_path}\"")
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end
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to_read = [@conf_path]
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until to_read.empty?
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raw_conf = read_file(to_read[0])
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@content += raw_conf
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opts = {
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assignment_re: /^\s*([^=]*?)\s*=\s*[']?\s*(.*?)\s*[']?\s*$/,
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}
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params = SimpleConfig.new(raw_conf, opts).params
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@params.merge!(params)
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to_read = to_read.drop(1)
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# see if there is more config files to include
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to_read += include_files(params).find_all do |fp|
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not @files_contents.key? fp
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end
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end
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@content
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end
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def include_files(params)
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include_files = params['include'] || []
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include_files += params['include_if_exists'] || []
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dirs = params['include_dir'] || []
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dirs.each do |dir|
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dir = File.join(@conf_dir, dir) if dir[0] != '/'
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include_files += find_files(dir, depth: 1, type: 'file')
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end
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include_files
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end
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def read_file(path)
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@files_contents[path] ||= inspec.file(path).content
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end
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end
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end
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