fixed error wmap modules crashing when vhost is nil

git-svn-id: file:///home/svn/framework3/trunk@6447 4d416f70-5f16-0410-b530-b9f4589650da

lib/msf/core/auxiliary/wmapmodule.rb

@@ -38,7 +38,11 @@ module Auxiliary::WMAPModule
 	
 	def wmap_base_url
 		res = (ssl ? "https://" : "http://")
-		res << datastore['VHOST'] || wmap_target_host
+		if datastore['VHOST'].nil?
+			res << wmap_target_host
+		else
+			res << datastore['VHOST']
+		end
 		res << ":" + wmap_target_port
 		res
 	end
@@ -275,4 +279,18 @@ module Auxiliary::WMAPScanGeneric
 	end 
 end
 
+###
+#
+# This module provides methods for WMAP Crawler modules
+#
+###
+
+module Auxiliary::WMAPCrawler
+	include Auxiliary::WMAPModule
+
+	def wmap_type
+		:WMAP_CRAWLER
+	end 
+end
+
 end