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Author SHA1 Message Date
AJ ONeal 25d150de07 update 2018-03-20 20:12:32 -06:00
AJ ONeal 90ed10c129 update 2018-03-20 20:11:57 -06:00
AJ ONeal 3bf715998d v1.3.8 2017-12-15 01:58:30 -07:00
AJ ONeal 6e7a0c57c8 allow empty string for query 2017-12-15 01:54:39 -07:00
3 changed files with 42 additions and 28 deletions

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@ -5,7 +5,7 @@ dig.js
| **dig.js** | **dig.js**
| [mdig.js](https://git.coolaj86.com/coolaj86/mdig.js) | [mdig.js](https://git.coolaj86.com/coolaj86/mdig.js)
| [digd.js](https://git.coolaj86.com/coolaj86/digd.js) | [digd.js](https://git.coolaj86.com/coolaj86/digd.js)
| Sponsored by [Daplie](https://daplie.com). | Sponsored by [ppl](https://ppl.family)[.](https://dapliefounder.com)
Create and capture DNS and mDNS query and response packets to disk as binary and/or JSON. 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. 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 ### without git
Don't have git? Well, you can also bow down to the gods of the centralized, monopolized, concentrated, *dictator*net 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 Daplie Labs), if that's how you roll: (as we like to call it here at ppl Labs), if that's how you roll:
```bash ```bash
npm install -g dig.js npm install -g dig.js
@ -44,7 +44,7 @@ dig.js [TYPE] <domainname>
**Example**: **Example**:
```bash ```bash
dig.js daplie.com dig.js coolaj86.com
``` ```
### mDNS Browser Example ### 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 ### Moar Examples
```bash ```bash
dig.js A daplie.com dig.js A coolaj86.com
dig.js @8.8.8.8 A daplie.com dig.js @8.8.8.8 A coolaj86.com
``` ```
Options 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) -t <type> (superfluous) A, CNAME, MX, etc. Also supports -t type<decimal> for "unsupported" types. default ANY (mdns default: PTR)
-c <class> default IN -c <class> default IN
-p <port> default 53 (mdns default: 5353) (listener is random for DNS and 5353 for mDNS) -p <port> default 53 (mdns default: 5353) (listener is random for DNS and 5353 for mDNS)
-q <query> (superfluous) required (ex: daplie.com) -q <query> (superfluous) required (ex: coolaj86.com)
--nameserver <ns> alias of @<nameserver> --nameserver <ns> alias of @<nameserver>
--timeout <ms> alias of +time=<seconds>, but in milliseconds --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' ] , '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' ] //, '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' ] , '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' ] , 'query': [ 'q', 'a superfluous explicit option to set the query as a command line flag', 'string' ]
, 'norecase': [ false, 'Disable dns0x20 security checking (mixed casing). See https://dyn.com/blog/use-of-bit-0x20-in-dns-labels/' ] , '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." ] , 'recase': [ false, "Print the dns0x20 casing as-is rather than converting it back to lowercase. This is the default when explicitly using mixed case." ]
}); });
@ -30,14 +30,16 @@ cli.parse({
var common = require('../common.js'); var common = require('../common.js');
cli.main(function (args, cli) { cli.main(function (args, cli) {
cli.implicitType = cli.type;
cli.implicitQuery = cli.query;
args.forEach(function (arg) { args.forEach(function (arg) {
if (typeRe.test(arg) || -1 !== common.types.concat([ 'ANY' ]).indexOf(arg.toUpperCase())) { if (typeRe.test(arg) || -1 !== common.types.concat([ 'ANY' ]).indexOf(arg.toUpperCase())) {
if (cli.type) { if (cli.implicitType) {
console.error("'type' was specified more than once"); console.error("'type' was specified more than once");
process.exit(1); process.exit(1);
return; return;
} }
cli.type = cli.t = arg.toUpperCase(); cli.implicitType = cli.t = arg.toUpperCase();
return; return;
} }
@ -81,15 +83,41 @@ cli.main(function (args, cli) {
return; return;
} }
if (cli.query) { if ('string' === typeof cli.implicitQuery) {
console.error("'query' was specified more than once or unrecognized flag: " + cli.query + ", " + arg); console.error("'query' was specified more than once or unrecognized flag: " + cli.implicitQuery + ", " + arg);
process.exit(1); process.exit(1);
return; return;
} }
cli.query = cli.q = arg; cli.implicitQuery = 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.mdns) {
if (!cli.type) { if (!cli.type) {
cli.type = cli.t = 'PTR'; cli.type = cli.t = 'PTR';
@ -100,7 +128,7 @@ cli.main(function (args, cli) {
if (!cli.nameserver) { if (!cli.nameserver) {
cli.nameserver = '224.0.0.251'; cli.nameserver = '224.0.0.251';
} }
if (!cli.query) { if ('string' !== typeof cli.query) {
cli.query = '_services._dns-sd._udp.local'; cli.query = '_services._dns-sd._udp.local';
} }
if (!cli.timeout) { if (!cli.timeout) {
@ -112,10 +140,6 @@ cli.main(function (args, cli) {
} }
} }
if (cli.query !== cli.query.toLowerCase()) {
cli.norecase = true;
}
if (!cli.norecase) { if (!cli.norecase) {
cli.casedQuery = cli.query.split('').map(function (ch) { cli.casedQuery = cli.query.split('').map(function (ch) {
// dns0x20 takes advantage of the fact that the binary operation for toUpperCase is // dns0x20 takes advantage of the fact that the binary operation for toUpperCase is
@ -138,16 +162,6 @@ cli.main(function (args, cli) {
if (!cli.class) { if (!cli.class) {
cli.class = cli.c = 'IN'; 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 = { var query = {
header: { header: {

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@ -1,6 +1,6 @@
{ {
"name": "dig.js", "name": "dig.js",
"version": "1.3.7", "version": "1.3.9",
"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.", "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", "main": "index.js",
"homepage": "https://git.coolaj86.com/coolaj86/dig.js", "homepage": "https://git.coolaj86.com/coolaj86/dig.js",