Add the scripts

mysql-brute
  mysql-datatabase
  mysql-empty-password
  mysql-users
  mysql-variables
and the mysql module

scripts/mysql-databases.nse

@@ -0,0 +1,99 @@
+description = [[
+Attempts to list all databases on the MySQL server
+]]
+
+---
+-- @args mysqluser The username to use for authentication. (If unset it attempts to use credentials found by mysql-brute or mysql-empty-password)
+-- @args mysqlpass The password to use for authentication. (If unset it attempts to use credentials found by mysql-brute or mysql-empty-password)
+--
+-- @output
+-- 3306/tcp open  mysql
+-- | mysql-databases:  
+-- |   information_schema
+-- |   mysql
+-- |   horde
+-- |   album
+-- |   mediatomb
+-- |_  squeezecenter
+
+author = "Patrik Karlsson"
+license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
+categories = {"discovery", "intrusive"}
+
+require 'shortport'
+require 'stdnse'
+require 'mysql'
+
+dependencies = {"mysql-brute", "mysql-empty-password"}
+
+-- Version 0.1
+-- Created 01/23/2010 - v0.1 - created by Patrik Karlsson
+
+portrule = shortport.port_or_service(3306, "mysql")
+
+action = function( host, port )
+
+	local socket = nmap.new_socket()
+	local catch = function() socket:close()	end
+	local try = nmap.new_try(catch)
+	local result, response, dbs = {}, nil, {}
+	local users = {}
+	local nmap_args = nmap.registry.args
+	local status, rows
+
+	-- set a reasonable timeout value
+	socket:set_timeout(5000)
+
+	-- first, let's see if the script has any credentials as arguments?
+	if nmap_args.mysqluser then
+		users[nmap_args.mysqluser] = nmap_args.mysqlpass or ""
+	-- next, let's see if mysql-brute or mysql-empty-password brought us anything
+	elseif nmap.registry.mysqlusers then
+		-- do we have root credentials?
+		if nmap.registry.mysqlusers['root'] then
+			users['root'] = nmap.registry.mysqlusers['root'] 
+		else
+			-- we didn't have root, so let's make sure we loop over them all
+			users = nmap.registry.mysqlusers
+		end
+	-- last, no dice, we don't have any credentials at all
+	else
+		stdnse.print_debug("No credentials supplied, aborting ...")
+		return
+	end
+
+	--
+	-- Iterates over credentials, breaks once it successfully recieves results
+	--
+	for username, password in pairs(users) do
+
+		try( socket:connect(host.ip, port.number, "tcp") )
+
+		response = try( mysql.receiveGreeting( socket ) )
+		status, response = mysql.loginRequest( socket, { authversion = "post41", charset = response.charset }, username, password, response.salt )
+
+		if status and response.errorcode == 0 then
+			status, rows = mysql.sqlQuery( socket, "show databases" )
+			if status then
+				for i=1, #rows do
+					-- cheap way of avoiding duplicates
+					dbs[rows[i]['Database']] = rows[i]['Database']
+				end
+				
+				-- if we got here as root, we've got them all
+				-- if we're here as someone else, we cant be sure
+				if username == 'root' then	
+					break
+				end
+			end
+		end
+		socket:close()
+	end
+
+	for _, v in pairs( dbs ) do
+		table.insert(result, v)
+	end
+
+	return stdnse.format_output(true, result)	
+
+end