mirror of
https://github.com/inspec/inspec
synced 2024-11-24 13:43:09 +00:00
264 lines
8.3 KiB
Ruby
264 lines
8.3 KiB
Ruby
# encoding: utf-8
|
|
# copyright: 2015, Vulcano Security GmbH
|
|
# author: Christoph Hartmann
|
|
# license: All rights reserved
|
|
|
|
require 'json'
|
|
|
|
# Three constructor methods are available:
|
|
# 1. resistry_key(path'):
|
|
# describe registry_key('Task Scheduler','HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\Schedule') do
|
|
# its('Start') { should eq 2 }
|
|
# end
|
|
#
|
|
# 2. resistry_key('name','path'):
|
|
# describe registry_key('Task Scheduler','HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\Schedule') do
|
|
# its('Start') { should eq 2 }
|
|
# end
|
|
#
|
|
# 3. options hash
|
|
# describe registry_key({
|
|
# name: 'Task Scheduler',
|
|
# hive: 'HKEY_LOCAL_MACHINE',
|
|
# key: ''\SYSTEM\CurrentControlSet\services\Schedule'
|
|
# }) do
|
|
# its('Start') { should eq 2 }
|
|
# end
|
|
#
|
|
# Get all childs of a registry key:
|
|
# describe registry_key('Task Scheduler','HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet').children do
|
|
# it { should_not eq [] }
|
|
# end
|
|
#
|
|
# Example to use regular expressions for keys
|
|
# describe registry_key({
|
|
# hive: HKEY_USERS
|
|
# }).children(/^S-1-5-21-[0-9]+-[0-9]+-[0-9]+-[0-9]{3,}\\Software\\Policies\\Microsoft\\Windows\\Installer/).each { |key|
|
|
# describe registry_key(key) do
|
|
# its('AlwaysInstallElevated') { should eq 'value' }
|
|
# end
|
|
# }
|
|
#
|
|
# Example to use regular expressions in responses
|
|
# describe registry_key({
|
|
# hive: 'HKEY_LOCAL_MACHINE',
|
|
# key: 'SOFTWARE\Microsoft\Windows NT\CurrentVersion'
|
|
# }) do
|
|
# its('ProductName') { should match /^[a-zA-Z0-9\(\)\s]*2012\s[rR]2[a-zA-Z0-9\(\)\s]*$/ }
|
|
# end
|
|
|
|
module Inspec::Resources
|
|
class RegistryKey < Inspec.resource(1) # rubocop:disable Metrics/ClassLength
|
|
name 'registry_key'
|
|
desc 'Use the registry_key InSpec audit resource to test key values in the Microsoft Windows registry.'
|
|
example "
|
|
describe registry_key('path\to\key') do
|
|
its('name') { should eq 'value' }
|
|
end
|
|
"
|
|
|
|
def initialize(name, reg_key = nil)
|
|
# if we have one parameter, we use it as name
|
|
reg_key ||= name
|
|
@options = {}
|
|
if reg_key && reg_key.is_a?(Hash)
|
|
@options = @options.merge!(reg_key)
|
|
# generate registry_key if we do not have a regular expression
|
|
@options[:path] = @options[:hive]
|
|
# add optional key path
|
|
@options[:path] += '\\' + @options[:key] if @options[:key]
|
|
@options[:name] ||= @options[:path]
|
|
else
|
|
@options[:name] = name
|
|
@options[:path] = reg_key
|
|
end
|
|
return skip_resource 'The `registry_key` resource is not supported on your OS yet.' if !inspec.os.windows?
|
|
end
|
|
|
|
def exists?
|
|
!registry_key(@options[:path]).nil?
|
|
end
|
|
|
|
def has_value?(value)
|
|
val = registry_key(@options[:path])
|
|
!val.nil? && registry_property_value(val, '(default)') == value ? true : false
|
|
end
|
|
|
|
def has_property?(property_name, property_type = nil)
|
|
val = registry_key(@options[:path])
|
|
!val.nil? && registry_property_exists(val, property_name) && (property_type.nil? || registry_property_type(val, property_name) == map2type(property_type)) ? true : false
|
|
end
|
|
|
|
# deactivate rubocop, because we need to stay compatible with Serverspe
|
|
# rubocop:disable Style/OptionalArguments
|
|
def has_property_value?(property_name, property_type = nil, value)
|
|
# rubocop:enable Style/OptionalArguments
|
|
val = registry_key(@options[:path])
|
|
|
|
# convert value to binary if required
|
|
value = value.bytes if !property_type.nil? && map2type(property_type) == 3 && !value.is_a?(Array)
|
|
|
|
!val.nil? && registry_property_value(val, property_name) == value && (property_type.nil? || registry_property_type(val, property_name) == map2type(property_type)) ? true : false
|
|
end
|
|
|
|
# returns an arrray of child nodes
|
|
def children(filter = nil)
|
|
children_keys(@options[:path], filter)
|
|
end
|
|
|
|
# returns nil, if not existant or value
|
|
def method_missing(meth)
|
|
# get data
|
|
val = registry_key(@options[:path])
|
|
registry_property_value(val, meth)
|
|
end
|
|
|
|
def to_s
|
|
"Registry Key #{@options[:name]}"
|
|
end
|
|
|
|
private
|
|
|
|
def prep_prop(property)
|
|
property.to_s.downcase
|
|
end
|
|
|
|
def registry_property_exists(regkey, property)
|
|
return false if regkey.nil? || property.nil?
|
|
# always ensure the key is lower case
|
|
!regkey[prep_prop(property)].nil?
|
|
end
|
|
|
|
def registry_property_value(regkey, property)
|
|
return nil if !registry_property_exists(regkey, property)
|
|
# always ensure the key is lower case
|
|
regkey[prep_prop(property)]['value']
|
|
end
|
|
|
|
def registry_property_type(regkey, property)
|
|
return nil if !registry_property_exists(regkey, property)
|
|
# always ensure the key is lower case
|
|
regkey[prep_prop(property)]['type']
|
|
end
|
|
|
|
def registry_key(path)
|
|
return @registry_cache if defined?(@registry_cache)
|
|
# load registry key and all properties
|
|
script = <<-EOH
|
|
Function InSpec-GetRegistryKey($path) {
|
|
$reg = Get-Item ('Registry::' + $path)
|
|
$properties = New-Object -Type PSObject
|
|
$reg.Property | ForEach-Object {
|
|
$key = $_
|
|
if ("(default)".Equals($key)) { $key = '' }
|
|
$value = New-Object psobject -Property @{
|
|
"value" = $reg.GetValue($key);
|
|
"type" = $reg.GetValueKind($key);
|
|
}
|
|
$properties | Add-Member NoteProperty $_ $value
|
|
}
|
|
$properties
|
|
}
|
|
$path = '#{path}'
|
|
InSpec-GetRegistryKey($path) | ConvertTo-Json
|
|
EOH
|
|
|
|
cmd = inspec.powershell(script)
|
|
# cannot rely on exit code for now, successful command returns exit code 1
|
|
# return nil if cmd.exit_status != 0, try to parse json
|
|
begin
|
|
@registry_cache = JSON.parse(cmd.stdout)
|
|
# convert keys to lower case
|
|
@registry_cache = Hash[@registry_cache.map do |key, value|
|
|
[key.downcase, value]
|
|
end]
|
|
rescue JSON::ParserError => _e
|
|
@registry_cache = nil
|
|
end
|
|
@registry_cache
|
|
end
|
|
|
|
def children_keys(path, filter = '')
|
|
return @children_cache if defined?(@children_cache)
|
|
filter = filter.source if filter.is_a? ::Regexp
|
|
script = <<-EOH
|
|
Function InSpec-FindChildsRegistryKeys($path, $filter) {
|
|
# get information about the child registry keys
|
|
$items = Get-ChildItem -Path ('Registry::' + $path) -rec -ea SilentlyContinue
|
|
# filter entries
|
|
$items | Where-Object {
|
|
$name = $_.Name
|
|
$simple = $name -replace "HKEY_LOCAL_MACHINE\\\\",""
|
|
$simple = $name -replace "HKEY_USERS\\\\",""
|
|
$simple -Match $filter
|
|
} | % { $_.Name }
|
|
}
|
|
|
|
$path = '#{path}'
|
|
$filter = "#{filter}"
|
|
ConvertTo-Json @(InSpec-FindChildsRegistryKeys $path $filter)
|
|
EOH
|
|
cmd = inspec.powershell(script)
|
|
begin
|
|
@children_cache = JSON.parse(cmd.stdout)
|
|
rescue JSON::ParserError => _e
|
|
@children_cache = []
|
|
end
|
|
@children_cache
|
|
end
|
|
|
|
# Registry key value types
|
|
# @see https://msdn.microsoft.com/en-us/library/windows/desktop/ms724884(v=vs.85).aspx
|
|
# REG_NONE 0
|
|
# REG_SZ 1
|
|
# REG_EXPAND_SZ 2
|
|
# REG_BINARY 3
|
|
# REG_DWORD 4
|
|
# REG_DWORD_LITTLE_ENDIAN 4
|
|
# REG_DWORD_BIG_ENDIAN 5
|
|
# REG_LINK 6
|
|
# REG_MULTI_SZ 7
|
|
# REG_RESOURCE_LIST 8
|
|
# REG_FULL_RESOURCE_DESCRIPTOR 9
|
|
# REG_RESOURCE_REQUIREMENTS_LIST 10
|
|
# REG_QWORD 11
|
|
# REG_QWORD_LITTLE_ENDIAN 11
|
|
def map2type(symbol)
|
|
options = {}
|
|
|
|
# chef symbols, we prefer those
|
|
options[:binary] = 3
|
|
options[:string] = 1
|
|
options[:multi_string] = 7
|
|
options[:expand_string] = 2
|
|
options[:dword] = 4
|
|
options[:dword_big_endian] = 5
|
|
options[:qword] = 11
|
|
|
|
# serverspec symbols
|
|
options[:type_string] = 1
|
|
options[:type_binary] = 3
|
|
options[:type_dword] = 4
|
|
options[:type_qword] = 11
|
|
options[:type_multistring] = 7
|
|
options[:type_expandstring] = 2
|
|
|
|
options[symbol]
|
|
end
|
|
end
|
|
|
|
# for compatability with serverspec
|
|
# this is deprecated syntax and will be removed in future versions
|
|
class WindowsRegistryKey < RegistryKey
|
|
name 'windows_registry_key'
|
|
|
|
def initialize(name)
|
|
deprecated
|
|
super(name)
|
|
end
|
|
|
|
def deprecated
|
|
warn '[DEPRECATION] `windows_registry_key(reg_key)` is deprecated. Please use `registry_key(\'path\to\key\')` instead.'
|
|
end
|
|
end
|
|
end
|