From 8341facfd0992ee9eeeefd71b5c5d0dd81c73a96 Mon Sep 17 00:00:00 2001
From: HD Moore <hd_moore@rapid7.com>
Date: Tue, 1 Dec 2009 20:51:18 +0000
Subject: [PATCH] Add better help output and avoid an exception when no address
 range is specified

git-svn-id: file:///home/svn/framework3/trunk@7661 4d416f70-5f16-0410-b530-b9f4589650da
---
 plugins/nexpose.rb | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/plugins/nexpose.rb b/plugins/nexpose.rb
index 044f6d176c..a75be0ebf4 100644
--- a/plugins/nexpose.rb
+++ b/plugins/nexpose.rb
@@ -120,7 +120,7 @@ class Plugin::Nexpose < Msf::Plugin
 		end
 
 		def cmd_nexpose_scan(*args)
-			return if not nexpose_verify
+
 
 			opts = Rex::Parser::Arguments.new(
 				"-h"  => [ false,  "This help menu"],
@@ -147,6 +147,7 @@ class Plugin::Nexpose < Msf::Plugin
 			opts.parse(args) do |opt, idx, val|
 				case opt
 				when "-h"
+					print_line("Usage: nexpose_scan [options] <Target IP Ranges>")
 					print_line(opts.usage)
 					return
 				when "-t"
@@ -168,8 +169,16 @@ class Plugin::Nexpose < Msf::Plugin
 				end
 			end
 
+			return if not nexpose_verify
+
 			opt_ranges = opt_ranges.join(",")
 
+			if(opt_ranges.strip.empty?)
+				print_line("Usage: nexpose_scan [options] <Target IP Ranges>")
+				print_line(opts.usage)
+				return
+			end
+
 			if(opt_verbose)
 				print_status("Creating a new scan using template #{opt_template} and #{opt_maxaddrs} concurrent IPs against #{opt_ranges}")
 			end