Land rapid7#7844, adds protocol to RPORT (fixes rapid7#7757)

Author: h00die

lib/msf/base/serializer/readable_text.rb

@@ -407,7 +407,23 @@ def self.dump_options(mod, indent = '', missing = false)
       next if (opt.evasion?)
       next if (missing && opt.valid?(val))
 
-      tbl << [ name, opt.display_value(val), opt.required? ? "yes" : "no", opt.desc ]
+      desc = opt.desc.dup
+
+      # Hint at RPORT proto by regexing mixins
+      if name == 'RPORT' && opt.kind_of?(Msf::OptPort)
+        mod.class.included_modules.each do |m|
+          case m.name
+          when /tcp/i, /HttpClient$/
+            desc << ' (TCP)'
+            break
+          when /udp/i
+            desc << ' (UDP)'
+            break
+          end
+        end
+      end
+
+      tbl << [ name, opt.display_value(val), opt.required? ? "yes" : "no", desc ]
     end
 
     return tbl.to_s