update modules to use is_system? to ensure SID is used to verify when running in certain languages in Windows

git-svn-id: file:///home/svn/framework3/trunk@11999 4d416f70-5f16-0410-b530-b9f4589650da

modules/post/windows/gather/enum_chrome.rb

@@ -12,10 +12,12 @@
 require 'msf/core'
 require 'rex'
 require 'msf/core/post/file'
+require 'msf/core/post/windows/accounts'
 
 class Metasploit3 < Msf::Post
 
 	include Msf::Post::File
+	include Msf::Post::Priv
 
 	def initialize(info={})
 		super(update_info(info,
@@ -239,7 +241,8 @@ class Metasploit3 < Msf::Post
 
 		#Get user(s)
 		usernames = []
-		if (uid = session.sys.config.getuid) == "NT AUTHORITY\\SYSTEM"
+		uid = session.sys.config.getuid
+		if is_system?
 			print_status("running as SYSTEM, extracting user list...")
 			print_error("(Automatic decryption will not be possible. You might want to manually migrate, or \"set MIGRATE true\")")
 			session.fs.dir.foreach(@profiles_path) do |u|

modules/post/windows/gather/enum_powershell_env.rb

@@ -12,10 +12,12 @@
 require 'msf/core'
 require 'rex'
 require 'msf/core/post/windows/registry'
+require 'msf/core/post/windows/accounts'
 
 class Metasploit3 < Msf::Post
 
 	include Msf::Post::Registry
+	include Msf::Post::Priv
 
 	def initialize(info={})
 		super( update_info( info,
@@ -45,7 +47,7 @@ class Metasploit3 < Msf::Post
 			profilepath = "\\My Documents\\WindowsPowerShell\\"
 		end
 
-		if user == "NT AUTHORITY\\SYSTEM"
+		if is_system?
 			print_status("Running as SYSTEM extracting user list..")
 			session.fs.dir.foreach(path4users) do |u|
 				userinfo = {}

modules/post/windows/gather/enum_shares.rb

@@ -12,10 +12,12 @@
 require 'msf/core'
 require 'rex'
 require 'msf/core/post/windows/registry'
+require 'msf/core/post/windows/accounts'
 
 class Metasploit3 < Msf::Post
 
 	include Msf::Post::Registry
+	include Msf::Post::Priv
 
 	def initialize(info={})
 		super( update_info( info,
@@ -132,8 +134,7 @@ class Metasploit3 < Msf::Post
 
 		# Enumerate shares being offered
 		enum_conf_shares() if datastore["CURRENT"]
-		user = session.sys.config.getuid
-		if user != "NT AUTHORITY\\SYSTEM"
+		if is_system?
 			mount_history = enum_recent_mounts("HKEY_CURRENT_USER")
 			run_history = enum_run_unc("HKEY_CURRENT_USER")
 		else