diff --git a/bin/digd.js b/bin/digd.js index 8d973cc..de3f662 100644 --- a/bin/digd.js +++ b/bin/digd.js @@ -1,11 +1,13 @@ 'use strict'; var cli = require('cli'); +var dns = require('dns'); var dgram = require('dgram'); var dnsjs = require('dns-suite'); var hexdump = require('../hexdump'); var crypto = require('crypto'); var common = require('../common'); +var defaultNameservers = require('dns').getServers(); cli.parse({ // 'b': [ false, 'set source IP address (defaults to 0.0.0.0)', 'string' ] @@ -21,6 +23,7 @@ cli.parse({ , 'output': [ 'o', 'output prefix to use for writing query and response(s) to disk', 'file' ] , 'address': [ false, 'ip address(es) to listen on (defaults to 0.0.0.0,::0)', 'string' ] , 'port': [ 'p', 'port (defaults to 53 for dns and 5353 for mdns)', 'int' ] +, 'nameserver': [ false, 'the nameserver(s) to use for recursive lookups (defaults to ' + defaultNameservers.join(',') + ')', 'string' ] //, 'serve': [ 's', 'path to json file with array of responses to issue for given queries', 'string' ] , 'type': [ 't', 'type (defaults to ANY for dns and PTR for mdns)', 'string' ] , 'query': [ 'q', 'a superfluous explicit option to set the query as a command line flag' ] @@ -128,20 +131,31 @@ cli.main(function (args, cli) { common.writeQuery(cli, query, queryAb); //common.writeResponse(opts, query, nb, packet); } + + if (!cli.norecurse) { + // ANY, A, AAAA, CNAME, MX, NAPTR, NS, PTR, SOA, SRV, TXT + var count = query.question.length; + query.question.forEach(function (q) { + dns.resolve(q.name, q.typeName, function () { + count -= 1; + if (!count) { + } + }); + console.log(';' + q.name + '.', ' ', q.className, q.typeName); + }); + } }; handlers.onListening = function () { /*jshint validthis:true*/ var server = this; var nameserver = cli.nameserver; - var nameservers; var index; if (!nameserver) { - nameservers = require('dns').getServers(); - index = crypto.randomBytes(2).readUInt16BE(0) % nameservers.length; - nameserver = nameservers[index]; + index = crypto.randomBytes(2).readUInt16BE(0) % defaultNameservers.length; + nameserver = defaultNameservers[index]; if (cli.debug) { - console.log(index, nameservers); + console.log(index, defaultNameservers); } }