Fixes #3470 by canonicalizing module paths as they are added

git-svn-id: file:///home/svn/framework3/trunk@11668 4d416f70-5f16-0410-b530-b9f4589650da

lib/msf/core/module_manager.rb

@@ -1,4 +1,5 @@
 require 'msf/core'
+require 'pathname'
 
 module Msf
 
@@ -603,6 +604,12 @@ class ModuleManager < ModuleSet
 	def add_module_path(path, check_cache = true)
 		path.sub!(/#{File::SEPARATOR}$/, '')
 
+		# Make the path completely canonical
+		path = File.expand_path(path)
+		path = Pathname.new(path).realpath.to_s
+
+		$stderr.puts "[*] Adding module path #{path.inspect} ..."
+
 		# Make sure the path is a valid directory before we try to rock the
 		# house
 		if (File.directory?(path) == false)