NSE committed

scripts/showHTMLTitle.nse

@@ -0,0 +1,65 @@
+-- dvt <diman.todorov@gmail.com>
+-- See nmaps COPYING for licence
+
+id = "HTML title"
+
+description = "Connects to an HTTP server and extracts the title of the default page."
+
+author = "Diman Todorov <diman.todorov@gmail.com>"
+
+license = "See nmaps COPYING for licence"
+
+categories = {"demo", "safe"}
+
+portrule = function(host, port) 
+	if 
+		(	port.number == 80
+			or port.service == "http")
+		and port.protocol == "tcp" 
+		and port.state == "open"
+		-- and host.name ~= nil 
+		-- and string.match(host.name, "www.+") 
+	then
+		return true
+	else
+		return false
+	end
+end
+
+action = function(host, port)
+	local url, socket, request, result, status, s, title
+
+	url = "http://" .. host.name
+
+	socket = nmap.new_socket()
+
+	socket:connect(host.ip, port.number)
+	request = "GET /  HTTP/1.0\r\n\r\n"
+	socket:send(request)
+
+	result = ""
+	while true do
+		status, s = socket:receive_lines(1)
+		if not status then
+			break
+		end
+
+		result = result .. s
+	end
+	socket:close()
+	
+	-- watch out, this doesn't really work for all html tags
+	-- also string.lower consumes the /
+	result = string.gsub(result, "</?(%a+)>", function(c) return "<" .. string.lower(c) .. ">" end)
+	
+	title = string.match(result, "<title>(.+)<title>")
+
+	if title ~= nil then
+		result = string.gsub(title , "[\n\r\t]", "")
+	else
+		result = "Site doesn't have a title."
+	end
+
+	return result
+end
+