local iscsi = require "iscsi" local shortport = require "shortport" local stdnse = require "stdnse" local table = require "table" description = [[ Collects and displays information from remote iSCSI targets. ]] --- -- @output -- PORT STATE SERVICE -- 3260/tcp open iscsi -- | iscsi-info: -- | iqn.2006-01.com.openfiler:tsn.c8c08cad469d -- | Target address: 192.168.56.5:3260,1 -- | Authentication: NOT required -- | iqn.2006-01.com.openfiler:tsn.6aea7e052952 -- | Target address: 192.168.56.5:3260,1 -- |_ Authentication: required -- -- Version 0.2 -- Created 2010/11/18 - v0.1 - created by Patrik Karlsson -- Revised 2010/11/28 - v0.2 - improved error handling author = "Patrik Karlsson" license = "Same as Nmap--See http://nmap.org/book/man-legal.html" categories = {"default", "safe", "discovery"} portrule = shortport.portnumber(3260, "tcp", {"open", "open|filtered"}) -- Attempts to determine whether authentication is required or not -- -- @return status true on success false on failure -- @return result true if auth is required false if not -- err string containing error message local function requiresAuth( host, port, target ) local helper = iscsi.Helper:new( host, port ) local errors = iscsi.Packet.LoginResponse.Errors local status, err = helper:connect() if ( not(status) ) then return false, "Failed to connect" end local response status, response = helper:login( target ) if ( not(status) ) then return false, response:getErrorMessage() end if ( status and response:getErrorCode() == errors.SUCCESS) then -- try to logout status = helper:logout() end status = helper:close() return true, "Authentication successful" end action = function( host, port ) local helper = iscsi.Helper:new( host, port ) local status = helper:connect() if ( not(status) ) then stdnse.print_debug("%s: failed to connect to server", SCRIPT_NAME ) return end local records status, records = helper:discoverTargets() if ( not(status) ) then stdnse.print_debug("%s: failed to discover targets", SCRIPT_NAME ) return end status = helper:logout() status = helper:close() local result = {} for _, record in ipairs(records) do local result_part = {} result_part.name = ("Target: %s"):format(record.name) for _, addr in ipairs( record.addr ) do table.insert(result_part, ("Address: %s"):format(addr) ) end local status, err = requiresAuth( host, port, record.name ) if ( not(status) ) then table.insert(result_part, "Authentication: " .. err ) else table.insert(result_part, "Authentication: No authentication required") end table.insert(result, result_part) end return stdnse.format_output( true, result ) end