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https://github.com/inspec/inspec
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75 lines
2.2 KiB
Ruby
75 lines
2.2 KiB
Ruby
# encoding: utf-8
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# author: Christoph Hartmann
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# author: Dominik Richter
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require 'utils/object_traversal'
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module Inspec::Resources
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# This resource simplifies the access to wmi
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# on CLI you would use:
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# WMIC /NAMESPACE:\\root\rsop\computer PATH RSOP_SecuritySettingNumeric WHERE "KeyName = 'MinimumPasswordAge' And precedence=1" GET Setting
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# We use Get-WmiObject via Powershell to retrieve all values.
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class WMI < Inspec.resource(1)
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name 'wmi'
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desc 'request wmi information'
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example "
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describe wmi('RSOP_SecuritySettingNumeric', {
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namespace: 'root\\rsop\\computer',
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filter: 'KeyName = \'MinimumPasswordAge\' And precedence=1'
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}) do
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its('Setting') { should eq true }
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end
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"
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include ObjectTraverser
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attr_accessor :content
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def initialize(wmiclass, opts = {})
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# verify that this resource is only supported on Windows
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return skip_resource 'The `windows_feature` resource is not supported on your OS.' unless inspec.os.windows?
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@wmiclass = wmiclass
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@wminamespace = opts[:namespace]
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@wmifilter = opts[:filter]
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end
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# returns nil, if not existant or value
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def method_missing(*keys)
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# catch behavior of rspec its implementation
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# @see https://github.com/rspec/rspec-its/blob/master/lib/rspec/its.rb#L110
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keys.shift if keys.is_a?(Array) && keys[0] == :[]
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# map all symbols to strings
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keys = keys.map(&:to_s) if keys.is_a?(Array)
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value(keys)
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end
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def value(key)
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extract_value(key, info)
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end
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def info
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return @content if defined?(@content)
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@content = {}
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# we should abort execution, if wmi class is not given or wmi resource is
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# executed on a non-windows system
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return @content if @wmiclass.nil?
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# optional params
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cmd_namespace = "-namespace #{@wminamespace}" unless @wminamespace.nil?
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cmd_filter = "-filter \"#{@wmifilter}\"" unless @wmifilter.nil?
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# run wmi command
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cmd = inspec.command("Get-WmiObject -class #{@wmiclass} #{cmd_namespace} #{cmd_filter} | ConvertTo-Json")
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@content = JSON.parse(cmd.stdout)
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rescue JSON::ParserError => _e
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@content
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end
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def to_s
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"WMI #{@wmiclass} where #{@wmifilter}"
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end
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end
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end
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