Class: Nexpose::Engine

Inherits:
Object
  • Object
show all
Includes:
Sanitize
Defined in:
lib/nexpose/engine.rb

Overview

Engine connnection to a Nexpose console.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Sanitize

#replace_entities

Constructor Details

#initialize(address, name = nil, port = 40814) ⇒ Engine

Returns a new instance of Engine.



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# File 'lib/nexpose/engine.rb', line 113

def initialize(address, name = nil, port = 40814)
  @id = -1
  @address = address
  @name = name
  @name ||= address
  @port = port
  @scope = 'silo'
  @sites = []
end

Instance Attribute Details

#address ⇒ Object

The IP address or DNS name of a scan engine.



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# File 'lib/nexpose/engine.rb', line 98

def address
  @address
end

#id ⇒ Object

Unique numeric identifier for the scan engine, assigned by the console in the order of creation.



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# File 'lib/nexpose/engine.rb', line 96

def id
  @id
end

#name ⇒ Object

A name assigned to the scan engine by the security console.



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# File 'lib/nexpose/engine.rb', line 100

def name
  @name
end

#port ⇒ Object

The port on which the engine listens for requests from the security console.



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# File 'lib/nexpose/engine.rb', line 103

def port
  @port
end

#priority ⇒ Object

Relative priority of a scan engine. One of: very-low, low, normal, high, very-high



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# File 'lib/nexpose/engine.rb', line 108

def priority
  @priority
end

#scope ⇒ Object

Whether the engine has a global or silo-specific scope.



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# File 'lib/nexpose/engine.rb', line 105

def scope
  @scope
end

#sites ⇒ Object

Sites to which the scan engine is assigned.



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# File 'lib/nexpose/engine.rb', line 111

def sites
  @sites
end

Class Method Details

.load(connection, id) ⇒ Object 



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# File 'lib/nexpose/engine.rb', line 123

def self.load(connection, id)
  xml = '<EngineConfigRequest session-id="' + connection.session_id + '"'
  xml << %( engine-id="#{id}")
  xml << ' />'
  r = connection.execute(xml, '1.2')

  if r.success
    r.res.elements.each('EngineConfigResponse/EngineConfig') do |config|
      engine = Engine.new(config.attributes['address'],
                          config.attributes['name'],
                          config.attributes['port'])
      engine.id = config.attributes['id']
      engine.scope = config.attributes['scope'] if config.attributes['scope']
      engine.priority = config.attributes['priority'] if config.attributes['priority']
      config.elements.each('Site') do |site|
        engine.sites << SiteSummary.new(site.attributes['id'], site.attributes['name'])
      end
      return engine
    end
  end
  nil
end

Instance Method Details

#add_site(site_id) ⇒ Object

Assign a site to this scan engine.

Parameters:

  • site_id (Fixnum) —

    Unique numerical ID of the site.



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# File 'lib/nexpose/engine.rb', line 150

def add_site(site_id)
  sites << SiteSummary.new(site_id, nil)
end

#delete(connection) ⇒ Object

Delete this scan engine configuration from the security console.

Parameters:

  • connection (Connection) —

    Connection to console where site exists.



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# File 'lib/nexpose/engine.rb', line 194

def delete(connection)
  connection.delete_engine(@id, @scope)
end

#save(connection) ⇒ Fixnum

Save this engine configuration to the security console.

Parameters:

  • connection (Connection) —

    Connection to console where site exists.

Returns:

  • (Fixnum) —

    ID assigned to the scan engine.



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# File 'lib/nexpose/engine.rb', line 177

def save(connection)
  xml = '<EngineSaveRequest session-id="' + connection.session_id + '">'
  xml << to_xml
  xml << '</EngineSaveRequest>'

  r = connection.execute(xml, '1.2')
  if r.success
    r.res.elements.each('EngineSaveResponse/EngineConfig') do |v|
      return @id = v.attributes['id']
    end
  end
end

#to_xml ⇒ Object 



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# File 'lib/nexpose/engine.rb', line 156

def to_xml
  xml = '<EngineConfig'
  xml << %( id="#{id}")
  xml << %( address="#{address}")
  xml << %( name="#{replace_entities(name)}")
  xml << %( port="#{port}")
  xml << %( scope="#{scope}") if scope
  xml << %( priority="#{priority}") if priority
  xml << '>'
  sites.each do |site|
    xml << %(<Site id="#{site.id}" />)
  end
  xml << '</EngineConfig>'
  xml
end