# ssh-chat

Custom SSH server written in Go. Instead of a shell, you get a chat prompt.

## Demo

Join the party:

```
$ ssh chat.shazow.net
```

The server's RSA key fingerprint is `e5:d5:d1:75:90:38:42:f6:c7:03:d7:d0:56:7d:6a:db`. If you see something different, you might be [MITM](https://en.wikipedia.org/wiki/Man-in-the-middle_attack)'d.

(Apologies if the server is down, try again shortly.)


## Quick Start

```
Usage:
  ssh-chat [OPTIONS]

Application Options:
  -v, --verbose   Show verbose logging.
  -b, --bind=     Host and port to listen on. (0.0.0.0:22)
  -i, --identity= Private key to identify server with. (~/.ssh/id_rsa)

Help Options:
  -h, --help      Show this help message
```

After doing `go get github.com/shazow/ssh-chat` on this repo, you should be able
to run a command like:

```
$ ssh-chat --verbose --bind ":2022" --identity ~/.ssh/id_dsa
```

To bind on port 22, you'll need to make sure it's free (move any other ssh
daemons to another port) and run ssh-chat as root (or with sudo).

## ssh-chat on Docker

You can run ssh-chat using a Docker image without manually installing go-lang:

```
$ docker pull alvin/ssh-chat
$ docker run -d -p 0.0.0.0:(your host machine port):2022 --name ssh-chat alvin/ssh-chat
```

Or you can build your own image:

```
$ docker build -t (your-docker-username)/ssh-chat .
```

then run it:

```
$ docker run -d -p 0.0.0.0:(your host machine port):2022 --name ssh-chat (your-docker-username)/ssh-chat
```

## Developing

If you're developing on this repo, there is a handy Makefile that should set
things up with `make run`.


## TODO:

* [x] Welcome message.
* [x] set term width properly
* [x] client map rather than list
* [x] backfill chat history
* [x] tab completion
* [x] /ban
* [ ] /ban by ip
* [x] /help
* [x] /about
* [x] /list
* [x] /nick
* [x] pubkey fingerprint
* [x] truncate usernames
* [ ] rename collision bug
* [ ] op ops on join
* [ ] piped stdout bug
* [ ] saner sanitizing of inputs (version string, allow space/period)
* [x] Some tests.
* [ ] More tests.
* [ ] Even more tests.
* [ ] Lots of refactoring
* [ ] Pull out the chat-related stuff into isolation from the ssh serving
    stuff


## License

MIT