coolaj86
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dig.js
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write json files too

This commit is contained in:
AJ ONeal 2017-02-23 16:55:24 -07:00
parent 578f57bf10
commit 50cfa7d8a6
3 changed files with 43 additions and 16 deletions
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14
README.md
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@ -4,14 +4,24 @@ dig.js
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. Options are similar to the Unix `dig` command.
Install Install with git
------- -------
```bash ```bash
# Install the latest of v1.x
npm install -g 'git+https://git@git.daplie.com/Daplie/dig.js.git#v1' npm install -g 'git+https://git@git.daplie.com/Daplie/dig.js.git#v1'
``` ```
If you don't have `git` installed you can also try the npm repo: ```bash
# Install exactly v1.0.0
npm install -g 'git+https://git@git.daplie.com/Daplie/dig.js.git#v1.0.0'
```
Install 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 Daplie Labs), if that's how you roll:
```bash ```bash
npm install -g dig.js npm install -g dig.js

40
bin/dig.js
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@ -1,6 +1,6 @@
'use strict'; 'use strict';
var dnsjs = require('../../dns-lint'); var dnsjs = require('dns-suite');
var cli = require('cli'); var cli = require('cli');
cli.parse({ cli.parse({
// 'b': [ false, 'set source IP address (defaults to 0.0.0.0)', 'string' ] // 'b': [ false, 'set source IP address (defaults to 0.0.0.0)', 'string' ]
@ -89,30 +89,44 @@ function hexdump(ab) {
function writeQuery(opts, query, queryAb) { function writeQuery(opts, query, queryAb) {
var path = require('path'); var path = require('path');
var filename = query.question[0].name + '.' + query.question[0].typeName.toLowerCase() + '.query.bin'; var binname = query.question[0].name + '.' + query.question[0].typeName.toLowerCase() + '.query.bin';
var fullpath = opts.output + '.' + filename; var jsonname = query.question[0].name + '.' + query.question[0].typeName.toLowerCase() + '.query.json';
var binpath = opts.output + '.' + binname;
var jsonpath = opts.output + '.' + jsonname;
var json = JSON.stringify(query, null, 2);
if (-1 !== ['.', '/', '\\' ].indexOf(opts.output[opts.output.length -1])) { if (-1 !== ['.', '/', '\\' ].indexOf(opts.output[opts.output.length -1])) {
fullpath = path.join(opts.output, filename); binpath = path.join(opts.output, binname);
jsonpath = path.join(opts.output, jsonname);
} }
fs.writeFileAsync(fullpath, Buffer.from(queryAb)).then(function () { fs.writeFileAsync(binpath, Buffer.from(queryAb)).then(function () {
console.log('wrote ' + queryAb.byteLength + ' bytes to ' + fullpath); console.log('wrote ' + queryAb.byteLength + ' bytes to ' + binpath);
});
fs.writeFileAsync(jsonpath, json).then(function () {
console.log('wrote ' + json.length + ' bytes to ' + jsonpath);
}); });
} }
var count = 0; var count = 0;
function writeResponse(opts, query, nb) { function writeResponse(opts, query, nb, packet) {
var path = require('path'); var path = require('path');
var filename = query.question[0].name + '.' + query.question[0].typeName.toLowerCase() + '.' + count + '.bin'; var binname = query.question[0].name + '.' + query.question[0].typeName.toLowerCase() + '.' + count + '.bin';
var fullpath = opts.output + '.' + filename; var jsonname = query.question[0].name + '.' + query.question[0].typeName.toLowerCase() + '.' + count + '.json';
var binpath = opts.output + '.' + binname;
var jsonpath = opts.output + '.' + jsonname;
var json = JSON.stringify(packet, null, 2);
if (-1 !== ['.', '/', '\\' ].indexOf(opts.output[opts.output.length -1])) { if (-1 !== ['.', '/', '\\' ].indexOf(opts.output[opts.output.length -1])) {
fullpath = path.join(opts.output, filename); binpath = path.join(opts.output, binname);
jsonpath = path.join(opts.output, jsonname);
} }
count += 1; count += 1;
fs.writeFileAsync(fullpath, nb).then(function () { fs.writeFileAsync(binpath, nb).then(function () {
console.log('wrote ' + nb.length + ' bytes to ' + fullpath); console.log('wrote ' + nb.byteLength + ' bytes to ' + binpath);
});
fs.writeFileAsync(jsonpath, json).then(function () {
console.log('wrote ' + json.length + ' bytes to ' + jsonpath);
}); });
} }
@ -194,7 +208,7 @@ function request(query, opts) {
if (opts.output) { if (opts.output) {
console.log(''); console.log('');
writeQuery(opts, query, queryAb); writeQuery(opts, query, queryAb);
writeResponse(opts, query, nb); writeResponse(opts, query, nb, packet);
} }
}; };
handlers.onListening = function () { handlers.onListening = function () {

5
package.json
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@ -22,5 +22,8 @@
"json" "json"
], ],
"author": "AJ ONeal <coolaj86@gmail.com> (https://coolaj86.com/)", "author": "AJ ONeal <coolaj86@gmail.com> (https://coolaj86.com/)",
"license": "(MIT OR Apache-2.0)" "license": "(MIT OR Apache-2.0)",
"dependencies": {
"dns-suite": "git+https://git@git.daplie.com:Daplie/dns-suite#v1"
}
} }