guard against nil and false ranges

git-svn-id: file:///home/svn/framework3/trunk@13446 4d416f70-5f16-0410-b530-b9f4589650da
2011-07-31 15:48:29 +00:00 · 2011-07-31 15:48:29 +00:00 · f5862e87d0
parent 730e41263f
commit f5862e87d0
1 changed files with 3 additions and 0 deletions
--- a/lib/rex/socket/range_walker.rb
+++ b/lib/rex/socket/range_walker.rb
@ -162,6 +162,9 @@ class RangeWalker
 	# given RangeWalker 
 	#
 	def include_range?(range_walker)
+		return false if ((not @ranges) or @ranges.empty?)
+		return false if not range_walker.ranges
+
 		range_walker.ranges.all? do |start, stop|
 			ranges.any? do |self_start, self_stop|
 				r = (self_start..self_stop)