Class: MiqWin32::Services

Inherits:
Object
  • Object
show all
Defined in:
lib/metadata/util/win32/Win32Services.rb

Constant Summary collapse

SERVICE_MAPPING = 
[
  'Type', :svc_type,
  'Start', :start,
  'ImagePath', :image_path,
  'DisplayName', :display_name,
  'ObjectName', :object_name,
  'Description', :description,
  'Type', :type,
  'DependOnService', :depend_on_service,
  'DependOnGroup', :depend_on_group,
]
SERVICE_VALUE_MAP = 
[]

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(_c, fs) ⇒ Services

Returns a new instance of Services.



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# File 'lib/metadata/util/win32/Win32Services.rb', line 24

def initialize(_c, fs)
  @services = []

  regHnd = RemoteRegistry.new(fs, true)
  reg_doc = regHnd.loadHive("system", [{:key => 'CurrentControlSet/Services', :depth => 0, :value => SERVICE_VALUE_MAP}])
  regHnd.close

  reg_node = MIQRexml.findRegElement("HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\services", reg_doc.root)
  if reg_node
    reg_node.each_element do |e|
      next if e.name != :key

      # Remove child elements's that have children.  This data is not being processed on the server
      # and adds a lot of extract size to the xml and time for tagging.
      e.each_element { |e1| e1.remove! if e1.name == :key }
    end

    reg_node.each_element_with_attribute(:keyname) do |e|
      attrs = XmlFind.decode(e, SERVICE_MAPPING)
      attrs[:name] = e.attributes[:keyname]
      attrs[:typename] = service_type_to_string(attrs.delete(:type))
      attrs[:depend_on_service] = attrs[:depend_on_service].split(' ').collect { |d| {:name => d} } if attrs[:depend_on_service]
      attrs[:depend_on_group] = attrs[:depend_on_group].split(' ').collect { |d| {:name => d} } if attrs[:depend_on_group]

      @services << attrs
    end
  end

  # Force memory cleanup
  reg_doc = nil; GC.start
end

Instance Attribute Details

#services ⇒ Object (readonly)

Returns the value of attribute services.



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# File 'lib/metadata/util/win32/Win32Services.rb', line 7

def services
  @services
end

Instance Method Details

#service_type_to_string(type) ⇒ Object 



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# File 'lib/metadata/util/win32/Win32Services.rb', line 56

def service_type_to_string(type)
  type = type.nil? ? 1 : type.to_i
  if (type & 0x00000001) > 0
    "kernel"
  elsif (type & 0x00000002) > 0
    "filesystem"
  elsif ((type & 0x00000010) > 0) || ((type & 0x00000020) > 0)
    "win32_service"
  else
    "misc"
  end
end

#to_xml(doc = nil) ⇒ Object 



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# File 'lib/metadata/util/win32/Win32Services.rb', line 69

def to_xml(doc = nil)
  doc = MiqXml.createDoc(nil) unless doc

  @services.each do |s|
    depends_service = s.delete(:depend_on_service)
    depends_group = s.delete(:depend_on_group)

    node = doc.add_element("service", XmlHelpers.stringify_keys(s))

    depends_service.each { |d| node.add_element("depend_on_service", XmlHelpers.stringify_keys(d)) } if depends_service
    depends_group.each { |d| node.add_element("depend_on_group", XmlHelpers.stringify_keys(d)) } if depends_group
  end

  doc
end