var fs = require('fs'),
- WebListener = require('./web.js').WebListener;
+ _ = require('lodash'),
+ util = require('util'),
+ WebListener = require('./weblistener.js'),
+ config = require('./configuration.js'),
+ modules = require('./modules.js'),
+ Identd = require('./identd.js'),
+ Proxy = require('./proxy.js'),
+ ControlInterface = require('./controlinterface.js');
-//load config
-var config_filename = 'config.json',
- config_dirs = ['/etc/kiwiirc/', __dirname + '/'];
-var config = Object.create(null);
-for (var i in config_dirs) {
- try {
- if (fs.lstatSync(config_dirs[i] + config_filename).isDirectory() === false) {
- config = JSON.parse(fs.readFileSync(config_dirs[i] + config_filename, 'utf-8'));
- console.log('Loaded config file ' + config_dirs[i] + config_filename);
- break;
- }
- } catch (e) {
- switch (e.code) {
- case 'ENOENT': // No file/dir
- break;
- default:
- console.log('An error occured parsing the config file ' + config_dirs[i] + config_filename + ': ' + e.message);
- return false;
+process.chdir(__dirname + '/../');
+
+(function (argv) {
+ var conf_switch = argv.indexOf('-c');
+ if (conf_switch !== -1) {
+ if (argv[conf_switch + 1]) {
+ return config.loadConfig(argv[conf_switch + 1]);
}
- continue;
}
+
+ config.loadConfig();
+
+})(process.argv);
+
+
+// If we're not running in the forground and we have a log file.. switch
+// console.log to output to a file
+if (process.argv.indexOf('-f') === -1 && global.config && global.config.log) {
+ (function () {
+ var log_file_name = global.config.log;
+
+ if (log_file_name[0] !== '/') {
+ log_file_name = __dirname + '/../' + log_file_name;
+ }
+
+
+
+ console.log = function() {
+ var logfile = fs.openSync(log_file_name, 'a'),
+ out;
+
+ out = util.format.apply(util, arguments);
+
+ // Make sure we out somthing to log and we have an open file
+ if (!out || !logfile) return;
+
+ out += '\n';
+ fs.writeSync(logfile, out, null);
+
+ fs.closeSync(logfile);
+ };
+ })();
}
-if (Object.keys(config).length === 0) {
- console.log('Couldn\'t find a valid config file!');
+
+
+// Make sure we have a valid config file and at least 1 server
+if (!global.config || Object.keys(global.config).length === 0) {
+ console.log('Couldn\'t find a valid config.js file (Did you copy the config.example.js file yet?)');
process.exit(1);
}
-if ((!config.servers) || (config.servers.length < 1)) {
+if ((!global.config.servers) || (global.config.servers.length < 1)) {
console.log('No servers defined in config file');
process.exit(2);
}
-//Create web listeners
-var clients = [];
-_.each(config.servers, function (server) {
- var wl = new WebListener(server, config.transports);
- wl.on('connection', function (client) {
- clients.push(client);
- });
- wl.on('destroy', function (client) {
- clients = _.reject(clients, function (c) {
- return client === c;
- });
+
+
+// Create a plugin interface
+global.modules = new modules.Publisher();
+
+// Register as the active interface
+modules.registerPublisher(global.modules);
+
+// Load any modules in the config
+if (global.config.module_dir) {
+ (global.config.modules || []).forEach(function (module_name) {
+ if (modules.load(module_name)) {
+ console.log('Module ' + module_name + ' loaded successfuly');
+ } else {
+ console.log('Module ' + module_name + ' failed to load');
+ }
});
+}
+
+
+
+
+// Holder for all the connected clients
+global.clients = {
+ clients: Object.create(null),
+ addresses: Object.create(null),
+
+ // Local and foriegn port pairs for identd lookups
+ // {'65483_6667': client_obj, '54356_6697': client_obj}
+ port_pairs: {},
+
+ add: function (client) {
+ this.clients[client.hash] = client;
+ if (typeof this.addresses[client.real_address] === 'undefined') {
+ this.addresses[client.real_address] = Object.create(null);
+ }
+ this.addresses[client.real_address][client.hash] = client;
+ },
+
+ remove: function (client) {
+ if (typeof this.clients[client.hash] !== 'undefined') {
+ delete this.clients[client.hash];
+ delete this.addresses[client.real_address][client.hash];
+ if (Object.keys(this.addresses[client.real_address]).length < 1) {
+ delete this.addresses[client.real_address];
+ }
+ }
+ },
+
+ numOnAddress: function (addr) {
+ if (typeof this.addresses[addr] !== 'undefined') {
+ return Object.keys(this.addresses[addr]).length;
+ } else {
+ return 0;
+ }
+ },
+
+ broadcastKiwiCommand: function (command, data, callback) {
+ var clients = [];
+
+ // Get an array of clients for us to work with
+ for (var client in global.clients.clients) {
+ clients.push(global.clients.clients[client]);
+ }
+
+
+ // Sending of the command in batches
+ var sendCommandBatch = function (list) {
+ var batch_size = 100,
+ cutoff;
+
+ if (list.length >= batch_size) {
+ // If we have more clients than our batch size, call ourself with the next batch
+ setTimeout(function () {
+ sendCommandBatch(list.slice(batch_size));
+ }, 200);
+
+ cutoff = batch_size;
+
+ } else {
+ cutoff = list.length;
+ }
+
+ list.slice(0, cutoff).forEach(function (client) {
+ if (!client.disposed) {
+ client.sendKiwiCommand(command, data);
+ }
+ });
+
+ if (cutoff === list.length && typeof callback === 'function') {
+ callback();
+ }
+ };
+
+ sendCommandBatch(clients);
+ }
+};
+
+global.servers = {
+ servers: Object.create(null),
+
+ addConnection: function (connection) {
+ var host = connection.irc_host.hostname;
+ if (!this.servers[host]) {
+ this.servers[host] = [];
+ }
+ this.servers[host].push(connection);
+ },
+
+ removeConnection: function (connection) {
+ var host = connection.irc_host.hostname
+ if (this.servers[host]) {
+ this.servers[host] = _.without(this.servers[host], connection);
+ if (this.servers[host].length === 0) {
+ delete this.servers[host];
+ }
+ }
+ },
+
+ numOnHost: function (host) {
+ if (this.servers[host]) {
+ return this.servers[host].length;
+ } else {
+ return 0;
+ }
+ }
+};
+
+
+
+/**
+ * When a new config is loaded, send out an alert to the clients so
+ * so they can reload it
+ */
+config.on('loaded', function () {
+ global.clients.broadcastKiwiCommand('reconfig');
});
-//Set process title
-process.title = 'Kiwi IRC';
-//Change UID/GID
-if ((config.user) && (config.user !== '')) {
- process.setuid(config.user);
+/*
+ * Identd server
+ */
+if (global.config.identd && global.config.identd.enabled) {
+ var identd_resolve_user = function(port_here, port_there) {
+ var key = port_here.toString() + '_' + port_there.toString();
+
+ if (typeof global.clients.port_pairs[key] == 'undefined') {
+ return;
+ }
+
+ return global.clients.port_pairs[key].username;
+ };
+
+ var identd_server = new Identd({
+ bind_addr: global.config.identd.address,
+ bind_port: global.config.identd.port,
+ user_id: identd_resolve_user
+ });
+
+ identd_server.start();
+}
+
+
+
+
+/*
+ * Web listeners
+ */
+
+
+// Start up a weblistener for each found in the config
+_.each(global.config.servers, function (server) {
+ if (server.type == 'proxy') {
+ // Start up a kiwi proxy server
+ var serv = new Proxy.ProxyServer();
+ serv.listen(server.port, server.address, server);
+
+ serv.on('listening', function() {
+ console.log('Kiwi proxy listening on %s:%s %s SSL', server.address, server.port, (server.ssl ? 'with' : 'without'));
+ });
+
+ serv.on('socket_connected', function(pipe) {
+ // SSL connections have the raw socket as a property
+ var socket = pipe.irc_socket.socket ?
+ pipe.irc_socket.socket :
+ pipe.irc_socket;
+
+ pipe.identd_pair = socket.localPort.toString() + '_' + socket.remotePort.toString();
+ global.clients.port_pairs[pipe.identd_pair] = pipe.meta;
+ });
+
+ serv.on('connection_close', function(pipe) {
+ delete global.clients.port_pairs[pipe.identd_pair];
+ });
+
+ } else {
+ // Start up a kiwi web server
+ var wl = new WebListener(server, global.config.transports);
+
+ wl.on('connection', function (client) {
+ clients.add(client);
+ });
+
+ wl.on('client_dispose', function (client) {
+ clients.remove(client);
+ });
+
+ wl.on('listening', function () {
+ console.log('Listening on %s:%s %s SSL', server.address, server.port, (server.ssl ? 'with' : 'without'));
+ webListenerRunning();
+ });
+
+ wl.on('error', function (err) {
+ console.log('Error listening on %s:%s: %s', server.address, server.port, err.code);
+ // TODO: This should probably be refactored. ^JA
+ webListenerRunning();
+ });
+ }
+});
+
+// Once all the listeners are listening, set the processes UID/GID
+var num_listening = 0;
+function webListenerRunning() {
+ num_listening++;
+ if (num_listening === global.config.servers.length) {
+ setProcessUid();
+ }
}
-if ((config.group) && (config.group !== '')) {
- process.setgid(config.group);
+
+
+
+
+/*
+ * Process settings
+ */
+
+// Set process title
+process.title = 'kiwiirc';
+
+// Change UID/GID
+function setProcessUid() {
+ if ((global.config.group) && (global.config.group !== '')) {
+ process.setgid(global.config.group);
+ }
+ if ((global.config.user) && (global.config.user !== '')) {
+ process.setuid(global.config.user);
+ }
}
-//Listen to STDIN
-process.stdin.resume();
-process.stdin.on('data', function (data) {
- console.log(data.toString());
+
+// Make sure Kiwi doesn't simply quit on an exception
+process.on('uncaughtException', function (e) {
+ console.log('[Uncaught exception] ' + e);
+ console.log(e.stack);
+});
+
+
+process.on('SIGUSR1', function() {
+ if (config.loadConfig()) {
+ console.log('New config file loaded');
+ } else {
+ console.log("No new config file was loaded");
+ }
+});
+
+
+process.on('SIGUSR2', function() {
+ console.log('Connected clients: ' + _.size(global.clients.clients).toString());
+ console.log('Num. remote hosts: ' + _.size(global.clients.addresses).toString());
});
+
+
+/*
+ * Listen for runtime commands
+ */
+process.stdin.resume();
+new ControlInterface(process.stdin, process.stdout, {prompt: ''});