Clean up a bit. Still more to do...

This commit is contained in:
Bryan Ashby 2020-05-18 18:41:23 -06:00
parent a1ac6dfc67
commit 6d307ec06b
No known key found for this signature in database
GPG Key ID: B49EB437951D2542
3 changed files with 204 additions and 1054 deletions

File diff suppressed because it is too large Load Diff

View File

@ -1,228 +0,0 @@
// ENiGMA½
const LoginServerModule = require('../../login_server_module');
const { Client } = require('../../client');
const Config = require('../../config').get;
const { log: Log } = require('../../logger');
// deps
const net = require('net');
const {
TelnetSocket,
TelnetSpec: { Options, Commands }
} = require('telnet-socket');
const { inherits } = require('util');
const ModuleInfo = exports.moduleInfo = {
name : 'Telnet',
desc : 'Telnet Server',
author : 'NuSkooler',
isSecure : false,
packageName : 'codes.l33t.enigma.telnet.server.v2',
};
class TelnetClient {
constructor(socket) {
Client.apply(this, socket, socket);
this.setInputOutput(socket, socket);
this.socket = new TelnetSocket(socket);
//
// Wait up to 3s to hear about from our terminal type request
// then go ahead and move on...
//
setTimeout(() => {
this.clientReady();
}, 3000);
this.dataHandler = function(data) {
this.emit('data', data);
}.bind(this);
this.socket.on('data', this.dataHandler);
this.socket.on('error', err => {
// :TODO: Log me
return this.emit('end');
});
this.socket.on('end', () => {
this.emit('end');
});
this.socket.on('DO', command => {
switch (command.option) {
case Options.ECHO :
return this.socket.will.echo();
default :
return this.socket.command(Commands.WONT, command.option);
}
});
this.socket.on('DONT', command => {
// :TODO: Log me
});
this.socket.on('WILL', command => {
switch (command.option) {
case Options.LINEMODE :
return this.socket.dont.linemode();
case Options.TTYPE :
return this.socket.sb.send.ttype();
case Options.NEW_ENVIRON :
return this.socket.sb.send.new_environ();
default :
break;
}
});
this.socket.on('WONT', command => {
switch (command.option) {
case Options.NEW_ENVIRON :
return this.socket.dont.new_environ();
default :
// :TODO: Log me
break;
}
});
this.socket.on('SB', command => {
switch (command.option) {
case Options.TTYPE :
this.setTermType(command.optionData.ttype);
this.clientReady();
break;
case Options.NEW_ENVIRON :
{
if ('unknown' === this.term.termType) {
const term =
command.optionData.vars.find(nv => nv.TERM) ||
command.optionData.userVars.find(nv => nv.TERM);
if (term) {
this.setTermType(term);
}
}
command.optionData.vars.forEach(nv => {
console.log(nv);
});
}
break;
case Options.NAWS :
{
const { width, height } = command.optionData;
this.term.termWidth = width;
this.term.termHeight = height;
if (width) {
this.term.env.COLUMNS = width;
}
if (height) {
this.term.env.ROWS = height;
}
this.clearMciCache();
// :TODO: Log negotiation
}
break;
}
});
this.socket.on('IP', command => {
// :TODO: Log me
return this.disconnect();
});
this.socket.on('AYT', () => {
// :TODO: Log me
return this.socket.write('\b');
});
// kick off negotiations
this.banner();
}
// dataHandler(data) {
// this.emit('data', data);
// }
clientReady() {
if (this.clientReadyHandled) {
return; // already processed
}
this.clientReadyHandled = true;
this.emit('ready', { firstMenu : Config().loginServers.telnet.firstMenu } );
}
disconnect() {
try {
return this.socket.rawSocket.end();
} catch (e) {
// ignored
}
}
banner() {
this.socket.do.echo();
this.socket.will.echo(); // we'll echo back
this.socket.will.sga();
this.socket.do.sga();
this.socket.do.transmit_binary();
this.socket.will.transmit_binary();
this.socket.do.ttype();
this.socket.do.naws();
this.socket.do.new_environ();
}
};
inherits(TelnetClient, Client);
exports.getModule = class TelnetServerModule extends LoginServerModule {
constructor() {
super();
}
createServer(cb) {
this.server = net.createServer( socket => {
const client = new TelnetClient(socket);
this.handleNewClient(client, socket, ModuleInfo);
});
this.server.on('error', err => {
Log.info( { error : err.message }, 'Telnet server error');
});
return cb(null);
}
listen(cb) {
const config = Config();
//const port = parseInt(config.loginServers.telnet.port);
const port = 8810; // :TODO: Put me back ;)
if(isNaN(port)) {
Log.error( { server : ModuleInfo.name, port : config.loginServers.telnet.port }, 'Cannot load server (invalid port)' );
return cb(Errors.Invalid(`Invalid port: ${config.loginServers.telnet.port}`));
}
this.server.listen(port, config.loginServers.telnet.address, err => {
if(!err) {
Log.info( { server : ModuleInfo.name, port : port }, 'Listening for connections' );
}
return cb(err);
});
}
};

View File

@ -95,7 +95,7 @@ function WebSocketClient(ws, req, serverType) {
ws.isConnectionAlive = true;
});
TelnetClient.call(this, this.socketBridge, this.socketBridge);
TelnetClient.call(this, this.socketBridge);
Log.trace( { headers : req.headers }, 'WebSocket connection headers' );