Merge branch 'meaningful_error' of https://github.com/wchen-r7/metasploit-framework into wchen-r7-meaningful_error

Author: jvazquez-r7

lib/msf/util/exe.rb

@@ -255,8 +255,12 @@ def self.to_win32pe(framework, code, opts={})
 			raise RuntimeError, "The .text section does not contain an entry point"
 		end
 
-		if(text.size < (payload.length + 256))
-			raise RuntimeError, "The .text section is too small to be usable"
+		p_length = payload.length + 256
+		if(text.size < p_length)
+			fname = ::File.basename(opts[:template])
+			msg  = "The .text section for '#{fname}' is too small. "
+			msg << "Minimum is #{p_length.to_s} bytes, your .text section is #{text.size.to_s} bytes"
+			raise RuntimeError, msg
 		end
 
 		# Store some useful offsets