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module Facter::Util::WMI
class << self
# Impersonation Level Constants
# https://msdn.microsoft.com/en-us/library/windows/desktop/ms693790%28v=vs.85%29.aspx
RPC_C_IMP_LEVEL_DEFAULT = 0
RPC_C_IMP_LEVEL_ANONYMOUS = 1
RPC_C_IMP_LEVEL_IDENTIFY = 2
RPC_C_IMP_LEVEL_IMPERSONATE = 3
RPC_C_IMP_LEVEL_DELEGATE = 4
# returns a COM class implementing ISWbemServicesEx
# prior to Facter 2.5.0, this defaulted to using a moniker
# but now defaults to using COM classes directly to support Nano
# backward compatibility is maintained in case custom facts specified a moniker
# but note that passing in the uri parameter can never work on Nano
def connect(uri = nil)
require 'win32ole'
uri.nil? ?
connect2() :
# NOTE: in the future it would be better to parse a given moniker uri / call connect2
WIN32OLE.connect(uri)
end
# @deprecated
def wmi_resource_uri( host = '.' )
"winmgmts:{impersonationLevel=impersonate}!//#{host}/root/cimv2"
end
def execquery(query)
connect().execquery(query)
end
private
# this mimics the previous behavior of using the COM moniker
# winmgmts:{impersonationLevel=impersonate}!//./root/cimv2
# which is not supported on Nano Server
def connect2( server = '.', namespace = 'root\\cimv2', impersonation_level = RPC_C_IMP_LEVEL_IMPERSONATE )
locator = WIN32OLE.new("WbemScripting.SWbemLocator")
# https://msdn.microsoft.com/en-us/library/aa393720%28v=vs.85%29.aspx
# ConnectServer returns an ISWbemServicesEx
conn = locator.ConnectServer(server, namespace)
conn.Security_.ImpersonationLevel = impersonation_level
conn
end
end
end
Version data entries
67 entries across 67 versions & 2 rubygems