summaryrefslogtreecommitdiff
path: root/src/inspircd.cpp
blob: cd13087cfa3a844ed67c551d8b2ff92e8e40c325 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
/*       +------------------------------------+
 *       | Inspire Internet Relay Chat Daemon |
 *       +------------------------------------+
 *
 *  InspIRCd: (C) 2002-2008 InspIRCd Development Team
 * See: http://www.inspircd.org/wiki/index.php/Credits
 *
 * This program is free but copyrighted software; see
 *	    the file COPYING for details.
 *
 * ---------------------------------------------------
 */

/* $Install: src/inspircd $(BINPATH) */


#include "inspircd.h"
#include <signal.h>

#ifndef WIN32
	#include <dirent.h>
	#include <unistd.h>
	#include <sys/resource.h>
	#include <dlfcn.h>
	#include <getopt.h>

	/* Some systems don't define RUSAGE_SELF. This should fix them. */
	#ifndef RUSAGE_SELF
		#define RUSAGE_SELF 0
	#endif
#endif

#include <fstream>
#include "xline.h"
#include "bancache.h"
#include "socketengine.h"
#include "inspircd_se_config.h"
#include "socket.h"
#include "command_parse.h"
#include "exitcodes.h"
#include "caller.h"
#include "testsuite.h"

using irc::sockets::insp_ntoa;
using irc::sockets::insp_inaddr;
using irc::sockets::insp_sockaddr;

InspIRCd* SI = NULL;
int* mysig = NULL;


/* Moved from exitcodes.h -- due to duplicate symbols -- Burlex
 * XXX this is a bit ugly. -- w00t
 */
const char* ExitCodes[] =
{
		"No error", /* 0 */
		"DIE command", /* 1 */
		"execv() failed", /* 2 */
		"Internal error", /* 3 */
		"Config file error", /* 4 */
		"Logfile error", /* 5 */
		"POSIX fork failed", /* 6 */
		"Bad commandline parameters", /* 7 */
		"No ports could be bound", /* 8 */
		"Can't write PID file", /* 9 */
		"SocketEngine could not initialize", /* 10 */
		"Refusing to start up as root", /* 11 */
		"Found a <die> tag!", /* 12 */
		"Couldn't load module on startup", /* 13 */
		"Could not create windows forked process", /* 14 */
		"Received SIGTERM", /* 15 */
};

void InspIRCd::Cleanup()
{
	if (Config)
	{
		for (unsigned int i = 0; i < Config->ports.size(); i++)
		{
			/* This calls the constructor and closes the listening socket */
			delete Config->ports[i];
		}

		Config->ports.clear();
	}

	/* Close all client sockets, or the new process inherits them */
	for (std::vector<User*>::const_iterator i = this->Users->local_users.begin(); i != this->Users->local_users.end(); i++)
	{
		(*i)->SetWriteError("Server shutdown");
		(*i)->CloseSocket();
	}

	/* We do this more than once, so that any service providers get a
	 * chance to be unhooked by the modules using them, but then get
	 * a chance to be removed themsleves.
	 *
	 * XXX there may be a better way to do this with 1.2
	 */
	for (int tries = 0; tries < 3; tries++)
	{
		std::vector<std::string> module_names = Modules->GetAllModuleNames(0);
		for (std::vector<std::string>::iterator k = module_names.begin(); k != module_names.end(); ++k)
		{
			/* Unload all modules, so they get a chance to clean up their listeners */
			this->Modules->Unload(k->c_str());
		}
	}

	/* Close logging */
	this->Logs->CloseLogs();

	/* Cleanup Server Names */
	for(servernamelist::iterator itr = servernames.begin(); itr != servernames.end(); ++itr)
		delete (*itr);


}

void InspIRCd::Restart(const std::string &reason)
{
	/* SendError flushes each client's queue,
	 * regardless of writeability state
	 */
	this->SendError(reason);

	this->Cleanup();

	/* Figure out our filename (if theyve renamed it, we're boned) */
	std::string me;

#ifdef WINDOWS
	char module[MAX_PATH];
	if (GetModuleFileName(NULL, module, MAX_PATH))
		me = module;
#else
	me = Config->MyDir + "/inspircd";
#endif

	if (execv(me.c_str(), Config->argv) == -1)
	{
		/* Will raise a SIGABRT if not trapped */
		throw CoreException(std::string("Failed to execv()! error: ") + strerror(errno));
	}
}

void InspIRCd::ResetMaxBans()
{
	for (chan_hash::const_iterator i = chanlist->begin(); i != chanlist->end(); i++)
		i->second->ResetMaxBans();
}

/** Because hash_map doesnt free its buckets when we delete items (this is a 'feature')
 * we must occasionally rehash the hash (yes really).
 * We do this by copying the entries from the old hash to a new hash, causing all
 * empty buckets to be weeded out of the hash. We dont do this on a timer, as its
 * very expensive, so instead we do it when the user types /REHASH and expects a
 * short delay anyway.
 */
void InspIRCd::RehashUsersAndChans()
{
	user_hash* old_users = this->Users->clientlist;
	user_hash* old_uuid  = this->Users->uuidlist;
	chan_hash* old_chans = this->chanlist;

	this->Users->clientlist = new user_hash();
	this->Users->uuidlist = new user_hash();
	this->chanlist = new chan_hash();

	for (user_hash::const_iterator n = old_users->begin(); n != old_users->end(); n++)
		this->Users->clientlist->insert(*n);

	delete old_users;

	for (user_hash::const_iterator n = old_uuid->begin(); n != old_uuid->end(); n++)
		this->Users->uuidlist->insert(*n);

	delete old_uuid;

	for (chan_hash::const_iterator n = old_chans->begin(); n != old_chans->end(); n++)
		this->chanlist->insert(*n);

	delete old_chans;
}

void InspIRCd::SetSignals()
{
#ifndef WIN32
	signal(SIGALRM, SIG_IGN);
	signal(SIGHUP, InspIRCd::SetSignal);
	signal(SIGPIPE, SIG_IGN);
	signal(SIGCHLD, SIG_IGN);
#endif
	signal(SIGTERM, InspIRCd::SetSignal);
}

void InspIRCd::QuickExit(int status)
{
	exit(0);
}

bool InspIRCd::DaemonSeed()
{
#ifdef WINDOWS
	printf_c("InspIRCd Process ID: \033[1;32m%lu\033[0m\n", GetCurrentProcessId());
	return true;
#else
	signal(SIGTERM, InspIRCd::QuickExit);

	int childpid;
	if ((childpid = fork ()) < 0)
		return false;
	else if (childpid > 0)
	{
		/* We wait here for the child process to kill us,
		 * so that the shell prompt doesnt come back over
		 * the output.
		 * Sending a kill with a signal of 0 just checks
		 * if the child pid is still around. If theyre not,
		 * they threw an error and we should give up.
		 */
		while (kill(childpid, 0) != -1)
			sleep(1);
		exit(0);
	}
	setsid ();
	umask (007);
	printf("InspIRCd Process ID: \033[1;32m%lu\033[0m\n",(unsigned long)getpid());

	signal(SIGTERM, InspIRCd::SetSignal);

	rlimit rl;
	if (getrlimit(RLIMIT_CORE, &rl) == -1)
	{
		this->Logs->Log("STARTUP",DEFAULT,"Failed to getrlimit()!");
		return false;
	}
	else
	{
		rl.rlim_cur = rl.rlim_max;
		if (setrlimit(RLIMIT_CORE, &rl) == -1)
			this->Logs->Log("STARTUP",DEFAULT,"setrlimit() failed, cannot increase coredump size.");
	}

	return true;
#endif
}

void InspIRCd::WritePID(const std::string &filename)
{
	std::string fname = (filename.empty() ? "inspircd.pid" : filename);
	if (*(fname.begin()) != '/')
	{
		std::string::size_type pos;
		std::string confpath = this->ConfigFileName;
		if ((pos = confpath.rfind("/")) != std::string::npos)
		{
			/* Leaves us with just the path */
			fname = confpath.substr(0, pos) + std::string("/") + fname;
		}
	}
	std::ofstream outfile(fname.c_str());
	if (outfile.is_open())
	{
		outfile << getpid();
		outfile.close();
	}
	else
	{
		printf("Failed to write PID-file '%s', exiting.\n",fname.c_str());
		this->Logs->Log("STARTUP",DEFAULT,"Failed to write PID-file '%s', exiting.",fname.c_str());
		Exit(EXIT_STATUS_PID);
	}
}

InspIRCd::InspIRCd(int argc, char** argv)
	: GlobalCulls(this),

	 /* Functor initialisation. Note that the ordering here is very important. */
	 HandleProcessUser(this),
	 HandleIsNick(this),
	 HandleIsIdent(this),
	 HandleFindDescriptor(this),
	 HandleFloodQuitUser(this),

	 /* Functor pointer initialisation. Must match the order of the list above */
	 ProcessUser(&HandleProcessUser),
	 IsNick(&HandleIsNick),
	 IsIdent(&HandleIsIdent),
	 FindDescriptor(&HandleFindDescriptor),
	 FloodQuitUser(&HandleFloodQuitUser)

{

	int found_ports = 0;
	FailedPortList pl;
	int do_version = 0, do_nofork = 0, do_debug = 0,
	    do_nolog = 0, do_root = 0, do_testsuite = 0;    /* flag variables */
	char c = 0;

	memset(&server, 0, sizeof(server));
	memset(&client, 0, sizeof(client));

	// This must be created first, so other parts of Insp can use it while starting up
	this->Logs = new LogManager(this);

	SocketEngineFactory* SEF = new SocketEngineFactory();
	SE = SEF->Create(this);
	delete SEF;


	ThreadEngineFactory* tef = new ThreadEngineFactory();
	this->Threads = tef->Create(this);
	delete tef;

	this->s_signal = 0;
	
	// Create base manager classes early, so nothing breaks
	this->Users = new UserManager(this);
	
	this->Users->unregistered_count = 0;

	this->Users->clientlist = new user_hash();
	this->Users->uuidlist = new user_hash();
	this->chanlist = new chan_hash();

	this->Res = NULL;

	this->Config = new ServerConfig(this);
	this->SNO = new SnomaskManager(this);
	this->BanCache = new BanCacheManager(this);
	this->Modules = new ModuleManager(this);
	this->stats = new serverstats();
	this->Timers = new TimerManager(this);
	this->Parser = new CommandParser(this);
	this->XLines = new XLineManager(this);

	this->Config->argv = argv;
	this->Config->argc = argc;

	if (chdir(Config->GetFullProgDir().c_str()))
	{
		printf("Unable to change to my directory: %s\nAborted.", strerror(errno));
		exit(0);
	}

	this->Config->opertypes.clear();
	this->Config->operclass.clear();

	this->TIME = this->OLDTIME = this->startup_time = time(NULL);
	srand(this->TIME);

	*this->LogFileName = 0;
	strlcpy(this->ConfigFileName, CONFIG_FILE, MAXBUF);

	struct option longopts[] =
	{
		{ "nofork",	no_argument,		&do_nofork,	1	},
		{ "logfile",	required_argument,	NULL,		'f'	},
		{ "config",	required_argument,	NULL,		'c'	},
		{ "debug",	no_argument,		&do_debug,	1	},
		{ "nolog",	no_argument,		&do_nolog,	1	},
		{ "runasroot",	no_argument,		&do_root,	1	},
		{ "version",	no_argument,		&do_version,	1	},
		{ "testsuite",	no_argument,		&do_testsuite,	1	},
		{ 0, 0, 0, 0 }
	};

	while ((c = getopt_long_only(argc, argv, ":f:", longopts, NULL)) != -1)
	{
		switch (c)
		{
			case 'f':
				/* Log filename was set */
				strlcpy(LogFileName, optarg, MAXBUF);
			break;
			case 'c':
				/* Config filename was set */
				strlcpy(ConfigFileName, optarg, MAXBUF);
			break;
			case 0:
				/* getopt_long_only() set an int variable, just keep going */
			break;
			default:
				/* Unknown parameter! DANGER, INTRUDER.... err.... yeah. */
				printf("Usage: %s [--nofork] [--nolog] [--debug] [--logfile <filename>]\n\
				                  [--runasroot] [--version] [--config <config>] [--testsuite]\n", argv[0]);
				Exit(EXIT_STATUS_ARGV);
			break;
		}
	}

	if (do_testsuite)
		do_nofork = do_debug = true;

	if (do_version)
	{
		printf("\n%s r%s\n", VERSION, REVISION);
		Exit(EXIT_STATUS_NOERROR);
	}

#ifdef WIN32

	// Handle forking
	if(!do_nofork)
	{
		DWORD ExitCode = WindowsForkStart(this);
		if(ExitCode)
			exit(ExitCode);
	}

	// Set up winsock
	WSADATA wsadata;
	WSAStartup(MAKEWORD(2,0), &wsadata);
	ChangeWindowsSpecificPointers(this);
#endif
	strlcpy(Config->MyExecutable,argv[0],MAXBUF);

	/* Set the finished argument values */
	Config->nofork = do_nofork;
	Config->forcedebug = do_debug;
	Config->writelog = !do_nolog;
	Config->TestSuite = do_testsuite;

	if (!this->OpenLog(argv, argc))
	{
		printf("ERROR: Could not open logfile %s: %s\n\n", Config->logpath.c_str(), strerror(errno));
		Exit(EXIT_STATUS_LOG);
	}

	if (!ServerConfig::FileExists(this->ConfigFileName))
	{
		printf("ERROR: Cannot open config file: %s\nExiting...\n", this->ConfigFileName);
		this->Logs->Log("STARTUP",DEFAULT,"Unable to open config file %s", this->ConfigFileName);
		Exit(EXIT_STATUS_CONFIG);
	}

	printf_c("\033[1;32mInspire Internet Relay Chat Server, compiled %s at %s\n",__DATE__,__TIME__);
	printf_c("(C) InspIRCd Development Team.\033[0m\n\n");
	printf_c("Developers:\n");
	printf_c("\t\033[1;32mBrain, FrostyCoolSlug, w00t, Om, Special\n");
	printf_c("\t\033[1;32mpippijn, peavey, aquanight, fez\033[0m\n\n");
	printf_c("Others:\t\t\t\033[1;32mSee /INFO Output\033[0m\n");

	Config->ClearStack();

	this->Modes = new ModeParser(this);

	if (!do_root)
		this->CheckRoot();
	else
	{
		printf("* WARNING * WARNING * WARNING * WARNING * WARNING * \n\n");
		printf("YOU ARE RUNNING INSPIRCD AS ROOT. THIS IS UNSUPPORTED\n");
		printf("AND IF YOU ARE HACKED, CRACKED, SPINDLED OR MUTILATED\n");
		printf("OR ANYTHING ELSE UNEXPECTED HAPPENS TO YOU OR YOUR\n");
		printf("SERVER, THEN IT IS YOUR OWN FAULT. IF YOU DID NOT MEAN\n");
		printf("TO START INSPIRCD AS ROOT, HIT CTRL+C NOW AND RESTART\n");
		printf("THE PROGRAM AS A NORMAL USER. YOU HAVE BEEN WARNED!\n");
		printf("\nInspIRCd starting in 20 seconds, ctrl+c to abort...\n");
		sleep(20);
	}

	this->SetSignals();

	if (!Config->nofork)
	{
		if (!this->DaemonSeed())
		{
			printf("ERROR: could not go into daemon mode. Shutting down.\n");
			Logs->Log("STARTUP", DEFAULT, "ERROR: could not go into daemon mode. Shutting down.");
			Exit(EXIT_STATUS_FORK);
		}
	}

	SE->RecoverFromFork();

	/* During startup we don't actually initialize this
	 * in the thread engine.
	 */
	this->ConfigThread = new ConfigReaderThread(this, true, NULL);
	ConfigThread->Run();
	delete ConfigThread;
	this->ConfigThread = NULL;

	this->Res = new DNS(this);

	this->AddServerName(Config->ServerName);

	/*
	 * Initialise SID/UID.
 	 * For an explanation as to exactly how this works, and why it works this way, see GetUID().
	 *   -- w00t
 	 */
	if (!*Config->sid)
	{
		// Generate one
		size_t sid = 0;

		for (const char* x = Config->ServerName; *x; ++x)
			sid = 5 * sid + *x;
		for (const char* y = Config->ServerDesc; *y; ++y)
			sid = 5 * sid + *y;
		sid = sid % 999;

		Config->sid[0] = (char)(sid / 100 + 48);
		Config->sid[1] = (char)(((sid / 10) % 10) + 48);
		Config->sid[2] = (char)(sid % 10 + 48);
	}

	/* set up fake client again this time with the correct uid */
	this->FakeClient = new User(this, "#INVALID");
	this->FakeClient->SetFd(FD_MAGIC_NUMBER);

	// Get XLine to do it's thing.
	this->XLines->CheckELines();
	this->XLines->ApplyLines();

	CheckDie();
	int bounditems = BindPorts(true, found_ports, pl);

	printf("\n");

	this->Modules->LoadAll();
	
	/* Just in case no modules were loaded - fix for bug #101 */
	this->BuildISupport();
	InitializeDisabledCommands(Config->DisabledCommands, this);

	/*if ((Config->ports.size() == 0) && (found_ports > 0))
	{
		printf("\nERROR: I couldn't bind any ports! Are you sure you didn't start InspIRCd twice?\n");
		Logs->Log("STARTUP", DEFAULT,"ERROR: I couldn't bind any ports! Something else is bound to those ports!");
		Exit(EXIT_STATUS_BIND);
	}*/

	if (Config->ports.size() != (unsigned int)found_ports)
	{
		printf("\nWARNING: Not all your client ports could be bound --\nstarting anyway with %d of %d client ports bound.\n\n", bounditems, found_ports);
		printf("The following port(s) failed to bind:\n");
		int j = 1;
		for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
		{
			printf("%d.\tIP: %s\tPort: %lu\n", j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
		}
	}

	printf("\nInspIRCd is now running as '%s'[%s] with %d max open sockets\n", Config->ServerName,Config->GetSID().c_str(), SE->GetMaxFds());
	
#ifndef WINDOWS
	if (!Config->nofork)
	{
		if (kill(getppid(), SIGTERM) == -1)
		{
			printf("Error killing parent process: %s\n",strerror(errno));
			Logs->Log("STARTUP", DEFAULT, "Error killing parent process: %s",strerror(errno));
		}
	}

	if (isatty(0) && isatty(1) && isatty(2))
	{
		/* We didn't start from a TTY, we must have started from a background process -
		 * e.g. we are restarting, or being launched by cron. Dont kill parent, and dont
		 * close stdin/stdout
		 */
		if (!do_nofork)
		{
			fclose(stdin);
			fclose(stderr);
			fclose(stdout);
		}
		else
		{
			Logs->Log("STARTUP", DEFAULT,"Keeping pseudo-tty open as we are running in the foreground.");
		}
	}
#else
	WindowsIPC = new IPC(this);
	if(!Config->nofork)
	{
		WindowsForkKillOwner(this);
		FreeConsole();
	}
#endif

	Logs->Log("STARTUP", DEFAULT, "Startup complete as '%s'[%s], %d max open sockets", Config->ServerName,Config->GetSID().c_str(), SE->GetMaxFds());

	this->WritePID(Config->PID);
}

int InspIRCd::Run()
{
	/* See if we're supposed to be running the test suite rather than entering the mainloop */
	if (Config->TestSuite)
	{
		TestSuite* ts = new TestSuite(this);
		delete ts;
		Exit(0);
	}

	while (true)
	{
#ifndef WIN32
		static rusage ru;
#else
		static time_t uptime;
		static struct tm * stime;
		static char window_title[100];
#endif

		/* Check if there is a config thread which has finished executing but has not yet been freed */
		if (this->ConfigThread && this->ConfigThread->GetExitFlag())
		{
			/* Rehash has completed */
			this->Logs->Log("CONFIG",DEBUG,"Detected ConfigThread exiting, tidying up...");

			/* IMPORTANT: This delete may hang if you fuck up your thread syncronization.
			 * It will hang waiting for the ConfigThread to 'join' to avoid race conditons,
			 * until the other thread is completed.
			 */
			delete ConfigThread;
			ConfigThread = NULL;

			/* These are currently not known to be threadsafe, so they are executed outside
			 * of the thread. It would be pretty simple to move them to the thread Run method
			 * once they are known threadsafe with all the correct mutexes in place.
			 *
			 * XXX: The order of these is IMPORTANT, do not reorder them without testing
			 * thoroughly!!!
			 */
			this->XLines->CheckELines();
			this->XLines->ApplyLines();
			this->Res->Rehash();
			this->ResetMaxBans();
			InitializeDisabledCommands(Config->DisabledCommands, this);
			FOREACH_MOD_I(this, I_OnRehash, OnRehash(Config->RehashUser, Config->RehashParameter));
			this->BuildISupport();
		}

		/* time() seems to be a pretty expensive syscall, so avoid calling it too much.
		 * Once per loop iteration is pleanty.
		 */
		OLDTIME = TIME;
		TIME = time(NULL);

		/* Run background module timers every few seconds
		 * (the docs say modules shouldnt rely on accurate
		 * timing using this event, so we dont have to
		 * time this exactly).
		 */
		if (TIME != OLDTIME)
		{
			if (TIME < OLDTIME)
			{
				SNO->WriteToSnoMask('A', "\002EH?!\002 -- Time is flowing BACKWARDS in this dimension! Clock drifted backwards %lu secs.", (unsigned long)OLDTIME-TIME);
			}

			if ((TIME % 3600) == 0)
			{
				this->RehashUsersAndChans();
				FOREACH_MOD_I(this, I_OnGarbageCollect, OnGarbageCollect());
			}

			Timers->TickTimers(TIME);
			this->DoBackgroundUserStuff();

			if ((TIME % 5) == 0)
			{
				FOREACH_MOD_I(this,I_OnBackgroundTimer,OnBackgroundTimer(TIME));
				SNO->FlushSnotices();
			}
#ifndef WIN32
			/* Same change as in cmd_stats.cpp, use RUSAGE_SELF rather than '0' -- Om */
			if (!getrusage(RUSAGE_SELF, &ru))
			{
				gettimeofday(&this->stats->LastSampled, NULL);
				this->stats->LastCPU = ru.ru_utime;
			}
#else
			WindowsIPC->Check();	
#endif
		}

		/* Call the socket engine to wait on the active
		 * file descriptors. The socket engine has everything's
		 * descriptors in its list... dns, modules, users,
		 * servers... so its nice and easy, just one call.
		 * This will cause any read or write events to be
		 * dispatched to their handlers.
		 */
		this->SE->DispatchEvents();

		/* if any users were quit, take them out */
		this->GlobalCulls.Apply();

		/* If any inspsockets closed, remove them */
		this->BufferedSocketCull();

		if (this->s_signal)
		{
			this->SignalHandler(s_signal);
			this->s_signal = 0;
		}
	}

	return 0;
}

void InspIRCd::BufferedSocketCull()
{
	for (std::map<BufferedSocket*,BufferedSocket*>::iterator x = SocketCull.begin(); x != SocketCull.end(); ++x)
	{
		this->Logs->Log("MISC",DEBUG,"Cull socket");
		SE->DelFd(x->second);
		x->second->Close();
		delete x->second;
	}
	SocketCull.clear();
}

/**********************************************************************************/

/**
 * An ircd in five lines! bwahahaha. ahahahahaha. ahahah *cough*.
 */

int main(int argc, char ** argv)
{
	SI = new InspIRCd(argc, argv);
	mysig = &SI->s_signal;
	SI->Run();
	delete SI;
	return 0;
}

/* this returns true when all modules are satisfied that the user should be allowed onto the irc server
 * (until this returns true, a user will block in the waiting state, waiting to connect up to the
 * registration timeout maximum seconds)
 */
bool InspIRCd::AllModulesReportReady(User* user)
{
	for (EventHandlerIter i = Modules->EventHandlers[I_OnCheckReady].begin(); i != Modules->EventHandlers[I_OnCheckReady].end(); ++i)
	{
		if (!(*i)->OnCheckReady(user))
			return false;
	}
	return true;
}

time_t InspIRCd::Time()
{
	return TIME;
}

void InspIRCd::SetSignal(int signal)
{
	*mysig = signal;
}