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* Separate login logic vs display

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* Work on SSH a bit -- major WIP, not working!
This commit is contained in:
Bryan Ashby 2015-10-19 17:21:47 -06:00
parent a6f15c2dfc
commit d86d3e0119
4 changed files with 204 additions and 136 deletions
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113
core/servers/ssh.js
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@ -4,12 +4,14 @@
// ENiGMA½
var conf = require('../config.js');
var baseClient = require('../client.js');
var user = require('../user.js');
var Log = require('../logger.js').log;
var ServerModule = require('../server_module.js').ServerModule;
var userLogin = require('../user_login.js').userLogin;
var ssh2 = require('ssh2');
var fs = require('fs');
var util = require('util');
var _ = require('lodash');
exports.moduleInfo = {
name : 'SSH',
@ -19,50 +21,84 @@ exports.moduleInfo = {
exports.getModule = SSHServerModule;
function SSHClient(input, output) {
function SSHClient(clientConn) {
baseClient.Client.apply(this, arguments);
//
// WARNING: Until we have emit 'ready', self.input, and self.output and
// not yet defined!
//
var self = this;
this.input.on('authentication', function onAuthentication(ctx) {
console.log('auth: ' + ctx.method);
clientConn.on('authentication', function authentication(ctx) {
self.log.trace( { context : ctx }, 'SSH authentication');
if('password' === ctx.method) {
// :TODO: Log attempts
user.authenticate(ctx.username, ctx.password, self, function onAuthResult(err) {
if(err) {
ctx.reject();
} else {
ctx.accept();
// :TODO: check Config max failed logon attempts/etc.
switch(ctx.method) {
case 'password' :
// :TODO: Proper userLogin() here
self.user.authenticate(ctx.username, ctx.password, self, function authResult(err) {
if(err) {
ctx.reject();
} else {
ctx.accept();
}
});
break;
case 'publickey' :
// :TODO:
ctx.reject();
break;
case 'keyboard-interactive' :
if(!_.isString(ctx.username)) {
// :TODO: Let client know a username is required!
ctx.reject()
}
});
} else if('publickey' === ctx.method) {
console.log('pub key path');
} else if('keyboard-interactive' === ctx.method) {
ctx.reject(['password']);
// :TODO: support this. Allow users to generate a key for use or w/e
/*} else if('keyboard-interactive' === ctx.method) {
console.log(ctx.submethods); // :TODO: proper logging; handle known types, etc.
ctx.prompt([ { prompt : 'Password: ', echo : false } ], function onPromptResponses(err, responses) {
console.log(err);
console.log(responses);
});*/
} else {
ctx.reject();
var PASS_PROMPT = { prompt : 'Password: ', echo : false };
ctx.prompt(PASS_PROMPT, function promptResponse(responses) {
if(0 === responses.length) {
return ctx.reject( ['keyboard-interactive'] );
}
userLogin(self, ctx.username, responses[0], function authResult(err) {
if(err) {
if(err.existingConn) {
// :TODO: Already logged in - how to let the SSH client know?
//self.term.write('User already logged in');
ctx.reject();
} else {
PASS_PROMPT.prompt = 'Invalid username or password\nPassword: ';
ctx.prompt(PASS_PROMPT, promptResponse);
}
} else {
ctx.accept();
}
});
});
break;
default :
self.log.info( { method : ctx.method }, 'Unsupported SSH authentication method. Rejecting connection.');
ctx.reject();
}
});
this.input.on('ready', function onReady() {
console.log('Client authenticated');
self.input.on('session', function onSession(accept, reject) {
clientConn.on('ready', function clientReady() {
self.log.info('SSH authentication success');
clientConn.on('session', function sess(accept, reject) {
self.input = accept();
self.output = self.input;
});
});
this.input.on('end', function onEnd() {
clientConn.on('end', function clientEnd() {
self.emit('end');
});
}
@ -80,15 +116,20 @@ SSHServerModule.prototype.createServer = function() {
// :TODO: setup all options here. What should the banner, etc. really be????
var serverConf = {
privateKey : fs.readFileSync(conf.config.servers.ssh.rsaPrivateKey),
banner : 'ENiGMA½ BBS SSH Server',
debug : function onDebug(s) { console.log(s); }
privateKey : fs.readFileSync(conf.config.servers.ssh.rsaPrivateKey),
banner : 'ENiGMA½ BBS SSH Server',
debug : function debugSsh(dbgLine) {
if(true === conf.config.servers.ssh.debugConnections) {
self.log.trace('SSH: ' + dbgLine);
}
}
};
var server = ssh2.Server(serverConf);
server.on('connection', function onConnection(conn, info) {
console.log(info); // :TODO: Proper logging
var client = new SSHClient(conn, conn);
Log.info(info, 'New SSH connection');
var client = new SSHClient(conn);
this.emit('client', client);
});