adds a patch from Thomas Ring.

git-svn-id: file:///home/svn/framework3/trunk@8775 4d416f70-5f16-0410-b530-b9f4589650da

modules/auxiliary/scanner/oracle/sid_enum.rb

@@ -15,7 +15,7 @@ class Metasploit3 < Msf::Auxiliary
 
 	def initialize(info = {})
 		super(update_info(info,
-			'Name'           => 'SID Enumeration.',
+			'Name'           => 'Oracle SID Enumeration.',
 			'Description'    => %q{
 				This module simply queries the TNS listner for the Oracle SID. 
 				With Oracle 9.2.0.8 and above the listener will be protected and 
@@ -45,6 +45,9 @@ class Metasploit3 < Msf::Auxiliary
 
 				if ( data and data =~ /ERROR_STACK/ )
 					print_error("TNS listener protected for #{ip}...")
+				else
+					if(not data)
+						print_error("#{ip} Connection but no data")
 					else
 						sid = data.scan(/INSTANCE_NAME=([^\)]+)/)
 							sid.uniq.each do |s|
@@ -57,7 +60,6 @@ class Metasploit3 < Msf::Auxiliary
 								)
 								print_status("Identified SID for #{ip}: #{s}")
 							end
-				end
 						service_name = data.scan(/SERVICE_NAME=([^\)]+)/)
 							service_name.each do |s|
 								report_note(
@@ -69,6 +71,8 @@ class Metasploit3 < Msf::Auxiliary
 								)
 								print_status("Identified SERVICE_NAME for #{ip}: #{s}")
 							end
+					end
+				end
 			disconnect
 		rescue ::Rex::ConnectionError
 		rescue ::Errno::EPIPE