mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-11-10 01:40:17 +01:00
239 lines
6.9 KiB
JavaScript
239 lines
6.9 KiB
JavaScript
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
*
|
|
* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is Ident Server for ChatZilla.
|
|
*
|
|
* The Initial Developer of the Original Code is Robert Marshall.
|
|
* Portions created by the Initial Developer are Copyright (C) 2005
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Robert Marshall <rdm@rdmsoft.com> (original author)
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
// RFC1413-ish identification server for ChatZilla
|
|
// One Ident Server is used for all networks. When multiple networks are in the
|
|
// process of connecting, it won't stop listening until they're all done.
|
|
|
|
function IdentServer(parent)
|
|
{
|
|
this.responses = new Array();
|
|
this.listening = false;
|
|
this.dns = getService("@mozilla.org/network/dns-service;1","nsIDNSService");
|
|
|
|
this.parent = parent;
|
|
this.eventPump = parent.eventPump;
|
|
}
|
|
|
|
IdentServer.prototype.start =
|
|
function ident_start()
|
|
{
|
|
if (this.listening)
|
|
return true;
|
|
|
|
if (!this.socket)
|
|
this.socket = new CBSConnection();
|
|
|
|
if (!this.socket.listen(113, this))
|
|
return false;
|
|
|
|
this.listening = true;
|
|
return true;
|
|
}
|
|
|
|
IdentServer.prototype.stop =
|
|
function ident_stop()
|
|
{
|
|
if (!this.socket || !this.listening)
|
|
return;
|
|
|
|
// No need to destroy socket, listen() will work again.
|
|
this.socket.close();
|
|
this.listening = false;
|
|
}
|
|
|
|
IdentServer.prototype.addNetwork =
|
|
function ident_add(net, serv)
|
|
{
|
|
var addr, dnsRecord = this.dns.resolve(serv.hostname, 0);
|
|
|
|
while (dnsRecord.hasMore())
|
|
{
|
|
addr = dnsRecord.getNextAddrAsString();
|
|
this.responses.push({net: net, ip: addr, port: serv.port,
|
|
username: net.INITIAL_NAME});
|
|
}
|
|
|
|
if (this.responses.length == 0)
|
|
return false;
|
|
|
|
// Start the ident server if necessary.
|
|
if (!this.listening)
|
|
return this.start();
|
|
|
|
return true;
|
|
}
|
|
|
|
IdentServer.prototype.removeNetwork =
|
|
function ident_remove(net)
|
|
{
|
|
var newResponses = new Array();
|
|
|
|
for (var i = 0; i < this.responses.length; ++i)
|
|
{
|
|
if (this.responses[i].net != net)
|
|
newResponses.push(this.responses[i]);
|
|
}
|
|
this.responses = newResponses;
|
|
|
|
// Only stop listening if responses is empty - no networks need us anymore.
|
|
if (this.responses.length == 0)
|
|
this.stop();
|
|
}
|
|
|
|
IdentServer.prototype.onSocketAccepted =
|
|
function ident_gotconn(serv, transport)
|
|
{
|
|
// Using the listening CBSConnection to accept would stop it listening.
|
|
// A new CBSConnection does exactly what we want.
|
|
var connection = new CBSConnection();
|
|
connection.accept(transport);
|
|
|
|
if (jsenv.HAS_NSPR_EVENTQ)
|
|
connection.startAsyncRead(new IdentListener(this, connection));
|
|
else
|
|
throw "IdentServer requires HAS_NSPR_EVENTQ."; // FIXME
|
|
}
|
|
|
|
function IdentListener(server, connection)
|
|
{
|
|
this.server = server;
|
|
this.connection = connection;
|
|
}
|
|
|
|
IdentListener.prototype.onStreamDataAvailable =
|
|
function ident_listener_sda(request, inStream, sourceOffset, count)
|
|
{
|
|
var ev = new CEvent("ident-listener", "data-available", this,
|
|
"onDataAvailable");
|
|
ev.line = this.connection.readData(0, count);
|
|
this.server.eventPump.routeEvent(ev);
|
|
}
|
|
|
|
IdentListener.prototype.onStreamClose =
|
|
function ident_listener_sclose(status)
|
|
{
|
|
}
|
|
|
|
IdentListener.prototype.onDataAvailable =
|
|
function ident_listener_dataavailable(e)
|
|
{
|
|
var incomplete = (e.line.substr(-2) != "\r\n");
|
|
var lines = e.line.split(/\r\n/);
|
|
|
|
if (this.savedLine)
|
|
{
|
|
lines[0] = this.savedLine + lines[0];
|
|
this.savedLine = "";
|
|
}
|
|
|
|
if (incomplete)
|
|
this.savedLine = lines.pop()
|
|
|
|
for (var i in lines)
|
|
{
|
|
var ev = new CEvent("ident-listener", "rawdata", this, "onRawData");
|
|
ev.line = lines[i];
|
|
this.server.eventPump.routeEvent(ev);
|
|
}
|
|
}
|
|
|
|
IdentListener.prototype.onRawData =
|
|
function ident_listener_rawdata(e)
|
|
{
|
|
var ports = e.line.match(/(\d+) *, *(\d+)/);
|
|
// <port-on-server> , <port-on-client>
|
|
// (where "server" is the ident server)
|
|
|
|
if (!ports)
|
|
{
|
|
this.connection.disconnect(); // same meaning as "ERROR : UNKNOWN-ERROR"
|
|
return;
|
|
}
|
|
|
|
e.type = "parsedrequest";
|
|
e.destObject = this;
|
|
e.destMethod = "onParsedRequest";
|
|
e.localPort = ports[1];
|
|
e.remotePort = ports[2];
|
|
}
|
|
|
|
IdentListener.prototype.onParsedRequest =
|
|
function ident_listener_request(e)
|
|
{
|
|
function response(str)
|
|
{
|
|
return e.localPort + " , " + e.remotePort + " : " + str + "\r\n";
|
|
};
|
|
|
|
function validPort(p)
|
|
{
|
|
return (p >= 1) && (p <= 65535);
|
|
};
|
|
|
|
if (!validPort(e.localPort) || !validPort(e.remotePort))
|
|
{
|
|
this.connection.sendData(response("ERROR : INVALID-PORT"));
|
|
this.connection.disconnect();
|
|
return;
|
|
}
|
|
|
|
var found, responses = this.server.responses;
|
|
for (var i = 0; i < responses.length; ++i)
|
|
{
|
|
if ((e.remotePort == responses[i].port) &&
|
|
(this.connection._transport.host == responses[i].ip))
|
|
{
|
|
// charset defaults to US-ASCII
|
|
// anything except an OS username should use OTHER
|
|
// however, ircu sucks, so we can't do that.
|
|
this.connection.sendData(response("USERID : CHATZILLA :" +
|
|
responses[i].username));
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!found)
|
|
this.connection.sendData(response("ERROR : NO-USER"));
|
|
|
|
// Spec gives us a choice: drop the connection, or listen for more queries.
|
|
// Since IRC servers will only ever want one name, we disconnect.
|
|
this.connection.disconnect();
|
|
}
|