Force binary string encoding in ruby 1.9.1, fix up a bad index call in x86.rb

git-svn-id: file:///home/svn/framework3/trunk@6618 4d416f70-5f16-0410-b530-b9f4589650da

lib/msf/core/encoder.rb

@@ -263,6 +263,7 @@ class Encoder < Module
 	# initialized and is ready to go.
 	#
 	def do_encode(state)
+	
 		# Copy the decoder stub since we may need to modify it
 		stub = decoder_stub(state).dup
 

lib/msf/sanity.rb

@@ -28,8 +28,10 @@ if (RUBY_VERSION =~ /^1\.9\./)
 	puts "    issues trying to use this version with the Metasploit Framework"
 
 
-	# Force binary encoding
-	# Encoding.default_external = Encoding.default_internal = "binary"
+	# Force binary encoding for Ruby versions that support it
+	if(Object.const_defined?('Encoding') and Encoding.respond_to?('default_external='))
+		Encoding.default_external = Encoding.default_internal = "binary"
+	end
 end
 
 

lib/rex/arch/x86.rb

@@ -474,7 +474,7 @@ module X86
 			end
 
 			pad = 0
-			while (pad < (128-12) and badchars.index( (256-12-pad)))
+			while (pad < (128-12) and badchars.index( (256-12-pad).chr))
 				pad += 4
 			end