101 lines
2.1 KiB
Markdown
101 lines
2.1 KiB
Markdown
mdig.js
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=======
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| [dns-suite.js](https://git.coolaj86.com/coolaj86/dns-suite.js)
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| [dig.js](https://git.coolaj86.com/coolaj86/dig.js)
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| **mdig.js**
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| [digd.js](https://git.coolaj86.com/coolaj86/digd.js)
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| Sponsored by [Daplie](https://daplie.com).
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multicast dig, in JavaScript (ES5.1)
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Create and capture mDNS query and response packets to disk as binary and/or JSON.
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Options are similar to the Unix `dig` command, but for mDNS.
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Install with git
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-------
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```bash
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# Install the latest of v1.x
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npm install -g 'git+https://git.coolaj86.com/coolaj86/mdig.git#v1'
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```
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```bash
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# Install exactly v1.0.0
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npm install -g 'git+https://git.coolaj86.com/coolaj86/mdig.git#v1.0.0'
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```
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Install without git
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-------
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Don't have git? Well, you can also bow down to the gods of the centralized, monopolized, concentrated, dictator-net
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(as we like to call it here at Daplie Labs), if that's how you roll:
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```bash
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npm install -g mdig
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```
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Usage
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-----
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### Format
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```bash
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mdig [TYPE] <query>
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```
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### Example
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```bash
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mdig PTR _services._dns-sd._udp.local
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```
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### defaults
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When run with no options `mdig` will run with these as the default:
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```bash
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mdig -p 5353 @224.0.0.251 PTR _services._dns-sd._udp.local +time=3
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```
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### Non-standard mDNS
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For debugging you may use a non-standard port and address
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```bash
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# non-standard port
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mdig -p 1900
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# non-standard broadcast address
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mdig @239.255.255.250
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```
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### Common Service Types
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```
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_ssh._tcp.local
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_sftp-ssh._tcp.local"
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_nfs._tcp.local
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_pdl-datastream._tcp.local
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_printer._tcp.local
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_ipp._tcp.local
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_http._tcp.local
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_apple-mobdev2._tcp.local
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_workstation._tcp.local
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_udisks-ssh._tcp.local
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```
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Options
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-------
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```
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--debug
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--output <path/to/file> write query and response(s) to disk with this path prefix (ex: ./samples/dns)
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-t <type> (superfluous) default ANY (mdns default: PTR)
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-c <class> default IN
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-p <port> default 53 (mdns default: 5353) (listener is random for DNS and 5353 for mDNS)
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-q <query> (superfluous) required (ex: daplie.com)
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+time=<seconds> Sets the timeout for a query in seconds.
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```
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