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3 changed files with 28 additions and 42 deletions

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@ -5,7 +5,7 @@ dig.js
| **dig.js**
| [mdig.js](https://git.coolaj86.com/coolaj86/mdig.js)
| [digd.js](https://git.coolaj86.com/coolaj86/digd.js)
| Sponsored by [ppl](https://ppl.family)[.](https://dapliefounder.com)
| Sponsored by [Daplie](https://daplie.com).
Create and capture DNS and mDNS query and response packets to disk as binary and/or JSON.
Options are similar to the Unix `dig` command. Supports dns0x20 security checking.
@ -28,7 +28,7 @@ npm install -g 'git+https://git.coolaj86.com/coolaj86/dig.js.git#v1.0.0'
### without git
Don't have git? Well, you can also bow down to the gods of the centralized, monopolized, concentrated, *dictator*net
(as we like to call it here at ppl Labs), if that's how you roll:
(as we like to call it here at Daplie Labs), if that's how you roll:
```bash
npm install -g dig.js
@ -44,7 +44,7 @@ dig.js [TYPE] <domainname>
**Example**:
```bash
dig.js coolaj86.com
dig.js daplie.com
```
### mDNS Browser Example
@ -64,9 +64,9 @@ dig.js -p 5353 @224.0.0.251 PTR _services._dns-sd._udp.local +time=3
### Moar Examples
```bash
dig.js A coolaj86.com
dig.js A daplie.com
dig.js @8.8.8.8 A coolaj86.com
dig.js @8.8.8.8 A daplie.com
```
Options
@ -80,7 +80,7 @@ Options
-t <type> (superfluous) A, CNAME, MX, etc. Also supports -t type<decimal> for "unsupported" types. default ANY (mdns default: PTR)
-c <class> default IN
-p <port> default 53 (mdns default: 5353) (listener is random for DNS and 5353 for mDNS)
-q <query> (superfluous) required (ex: coolaj86.com)
-q <query> (superfluous) required (ex: daplie.com)
--nameserver <ns> alias of @<nameserver>
--timeout <ms> alias of +time=<seconds>, but in milliseconds

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@ -22,7 +22,7 @@ cli.parse({
, 'nameserver': [ false, 'the nameserver to use for DNS resolution (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', 'string' ]
, 'query': [ 'q', 'a superfluous explicit option to set the query as a command line flag' ]
, 'norecase': [ false, 'Disable dns0x20 security checking (mixed casing). See https://dyn.com/blog/use-of-bit-0x20-in-dns-labels/' ]
, 'recase': [ false, "Print the dns0x20 casing as-is rather than converting it back to lowercase. This is the default when explicitly using mixed case." ]
});
@ -30,16 +30,14 @@ cli.parse({
var common = require('../common.js');
cli.main(function (args, cli) {
cli.implicitType = cli.type;
cli.implicitQuery = cli.query;
args.forEach(function (arg) {
if (typeRe.test(arg) || -1 !== common.types.concat([ 'ANY' ]).indexOf(arg.toUpperCase())) {
if (cli.implicitType) {
if (cli.type) {
console.error("'type' was specified more than once");
process.exit(1);
return;
}
cli.implicitType = cli.t = arg.toUpperCase();
cli.type = cli.t = arg.toUpperCase();
return;
}
@ -83,41 +81,15 @@ cli.main(function (args, cli) {
return;
}
if ('string' === typeof cli.implicitQuery) {
console.error("'query' was specified more than once or unrecognized flag: " + cli.implicitQuery + ", " + arg);
if (cli.query) {
console.error("'query' was specified more than once or unrecognized flag: " + cli.query + ", " + arg);
process.exit(1);
return;
}
cli.implicitQuery = cli.q = arg;
cli.query = cli.q = arg;
});
// it can happen that a TLD is created with the name of a common type
if (!cli.type && cli.implicitType && !cli.implicitQuery) {
cli.implicitQuery = cli.implicitType;
cli.implicitType = null;
}
if ('string' === typeof cli.implicitQuery) {
cli.query = cli.implicitQuery;
}
if (cli.implicitType) {
cli.type = cli.implicitType;
}
if ('string' !== typeof cli.query) {
console.error('');
console.error('Usage:');
console.error('dig.js [@server] [TYPE] [domain]');
console.error('');
console.error('Example:');
console.error('dig.js daplie.com');
console.error('');
process.exit(1);
}
if (cli.query !== cli.query.toLowerCase()) {
cli.norecase = true;
}
if (cli.mdns) {
if (!cli.type) {
cli.type = cli.t = 'PTR';
@ -128,7 +100,7 @@ cli.main(function (args, cli) {
if (!cli.nameserver) {
cli.nameserver = '224.0.0.251';
}
if ('string' !== typeof cli.query) {
if (!cli.query) {
cli.query = '_services._dns-sd._udp.local';
}
if (!cli.timeout) {
@ -140,6 +112,10 @@ cli.main(function (args, cli) {
}
}
if (cli.query !== cli.query.toLowerCase()) {
cli.norecase = true;
}
if (!cli.norecase) {
cli.casedQuery = cli.query.split('').map(function (ch) {
// dns0x20 takes advantage of the fact that the binary operation for toUpperCase is
@ -162,6 +138,16 @@ cli.main(function (args, cli) {
if (!cli.class) {
cli.class = cli.c = 'IN';
}
if (!cli.query) {
console.error('');
console.error('Usage:');
console.error('dig.js [@server] [TYPE] [domain]');
console.error('');
console.error('Example:');
console.error('dig.js daplie.com');
console.error('');
process.exit(1);
}
var query = {
header: {

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@ -1,6 +1,6 @@
{
"name": "dig.js",
"version": "1.3.9",
"version": "1.3.7",
"description": "Create and capture DNS and mDNS query and response packets to disk as binary and/or JSON. Options are similar to the Unix `dig` command.",
"main": "index.js",
"homepage": "https://git.coolaj86.com/coolaj86/dig.js",