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root/svn/ircd-hybrid/trunk/src/ircd.c

Comparing ircd-hybrid/trunk/src/ircd.c (file contents):
Revision 2156 by michael, Fri May 31 20:53:11 2013 UTC vs.
Revision 4129 by michael, Tue Jul 1 19:32:19 2014 UTC

#	Line 1 | Line 1
1		/*
2	<	*  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3	<	*  ircd.c: Starts up and runs the ircd.
2	>	*  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3		*
4	<	*  Copyright (C) 2002 by the past and present ircd coders, and others.
4	>	*  Copyright (c) 1997-2014 ircd-hybrid development team
5		*
6		*  This program is free software; you can redistribute it and/or modify
7		*  it under the terms of the GNU General Public License as published by
#	Line 18 | Line 17
17		*  along with this program; if not, write to the Free Software
18		*  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
19		*  USA
20	<	*
21	<	*  $Id$
20	>	*/
21	>
22	>	/*! \file ircd.c
23	>	* \brief Starts up and runs the ircd.
24	>	* \version $Id$
25		*/
26
27		#include "stdinc.h"
28	<	#include "s_user.h"
28	>	#include "user.h"
29		#include "list.h"
30		#include "ircd.h"
31		#include "channel.h"
30	–	#include "channel_mode.h"
32		#include "client.h"
33		#include "event.h"
34		#include "fdlist.h"
35		#include "hash.h"
36		#include "irc_string.h"
37		#include "ircd_signal.h"
38	<	#include "s_gline.h"
38	>	#include "gline.h"
39		#include "motd.h"
40		#include "conf.h"
41		#include "hostmask.h"
41	–	#include "numeric.h"
42	–	#include "packet.h"
42		#include "parse.h"
43	<	#include "irc_res.h"
43	>	#include "res.h"
44		#include "restart.h"
45		#include "rng_mt.h"
46	<	#include "s_auth.h"
46	>	#include "auth.h"
47		#include "s_bsd.h"
48		#include "log.h"
49	<	#include "s_misc.h"
51	<	#include "s_serv.h"      /* try_connections */
49	>	#include "server.h"      /* try_connections */
50		#include "send.h"
51		#include "whowas.h"
52		#include "modules.h"
53		#include "memory.h"
54		#include "mempool.h"
57	–	#include "hook.h"
55		#include "ircd_getopt.h"
59	–	#include "message.h"
60	–	#include "supported.h"
56		#include "watch.h"
57		#include "conf_db.h"
58		#include "conf_class.h"
#	Line 66 | Line 61
61		#ifdef HAVE_LIBGEOIP
62		GeoIP *geoip_ctx;
63		#endif
69	–	/* /quote set variables */
70	–	struct SetOptions GlobalSetOptions;
64
72	–	/* configuration set from ircd.conf */
73	–	struct config_file_entry ConfigFileEntry;
74	–	/* server info set from ircd.conf */
75	–	struct server_info ServerInfo;
76	–	/* admin info set from ircd.conf */
77	–	struct admin_info AdminInfo = { NULL, NULL, NULL };
78	–	struct Counter Count = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
79	–	struct ServerState_t server_state = { 0 };
80	–	struct logging_entry ConfigLoggingEntry = { .use_logging = 1 };
65		struct ServerStatistics ServerStats;
66		struct timeval SystemTime;
67		struct Client me;             /* That's me */
#	Line 94 | Line 78 | int doremotd = 0;
78		/* Set to zero because it should be initialized later using
79		* initialize_server_capabs
80		*/
81	<	int default_server_capabs = 0;
81	>	unsigned int default_server_capabs;
82		unsigned int splitmode;
83		unsigned int splitchecking;
84		unsigned int split_users;
85		unsigned int split_servers;
86
87	<	/* Do klines the same way hybrid-6 did them, i.e. at the
88	<	* top of the next io_loop instead of in the same loop as
89	<	* the klines are being applied.
90	<	*
91	<	* This should fix strange CPU starvation as very indirectly reported.
92	<	* (Why do you people not email bug reports? WHY? WHY?)
109	<	*
110	<	* - Dianora
111	<	*/
87	>	static struct event event_cleanup_glines =
88	>	{
89	>	.name = "cleanup_glines",
90	>	.handler = cleanup_glines,
91	>	.when = CLEANUP_GLINES_TIME
92	>	};
93
94	<	int rehashed_klines = 0;
94	>	static struct event event_cleanup_tklines =
95	>	{
96	>	.name = "cleanup_tklines",
97	>	.handler = cleanup_tklines,
98	>	.when = CLEANUP_TKLINES_TIME
99	>	};
100	>
101	>	static struct event event_try_connections =
102	>	{
103	>	.name = "try_connections",
104	>	.handler = try_connections,
105	>	.when = STARTUP_CONNECTIONS_TIME
106	>	};
107
108	+	static struct event event_comm_checktimeouts =
109	+	{
110	+	.name = "comm_checktimeouts",
111	+	.handler = comm_checktimeouts,
112	+	.when = 1
113	+	};
114	+
115	+	static struct event event_save_all_databases =
116	+	{
117	+	.name = "save_all_databases",
118	+	.handler = save_all_databases,
119	+	.when = DATABASE_UPDATE_TIMEOUT
120	+	};
121	+
122	+	struct event event_write_links_file =
123	+	{
124	+	.name = "write_links_file",
125	+	.handler = write_links_file,
126	+	};
127	+
128	+	struct event event_check_splitmode =
129	+	{
130	+	.name = "check_splitmode",
131	+	.handler = check_splitmode,
132	+	.when = 60
133	+	};
134
135		/*
136		* print_startup - print startup information
#	Line 119 | Line 138 | int rehashed_klines = 0;
138		static void
139		print_startup(int pid)
140		{
141	<	printf("ircd: version %s\n", ircd_version);
141	>	printf("ircd: version %s(%s)\n", ircd_version, serno);
142		printf("ircd: pid %d\n", pid);
143		printf("ircd: running in %s mode from %s\n", !server_state.foreground ? "background"
144		: "foreground", ConfigFileEntry.dpath);
#	Line 146 | Line 165 | make_daemon(void)
165
166		static int printVersion = 0;
167
168	<	static struct lgetopt myopts[] = {
169	<	{"configfile", &ConfigFileEntry.configfile,
168	>	static struct lgetopt myopts[] =
169	>	{
170	>	{"configfile", &ConfigFileEntry.configfile,
171		STRING, "File to use for ircd.conf"},
172		{"glinefile",  &ConfigFileEntry.glinefile,
173		STRING, "File to use for gline database"},
174	<	{"klinefile",  &ConfigFileEntry.klinefile,
174	>	{"klinefile",  &ConfigFileEntry.klinefile,
175		STRING, "File to use for kline database"},
176		{"dlinefile",  &ConfigFileEntry.dlinefile,
177		STRING, "File to use for dline database"},
178	<	{"xlinefile",  &ConfigFileEntry.xlinefile,
178	>	{"xlinefile",  &ConfigFileEntry.xlinefile,
179		STRING, "File to use for xline database"},
180		{"resvfile",  &ConfigFileEntry.resvfile,
181		STRING, "File to use for resv database"},
182	<	{"logfile",    &logFileName,
182	>	{"logfile",    &logFileName,
183		STRING, "File to use for ircd.log"},
184		{"pidfile",    &pidFileName,
185		STRING, "File to use for process ID"},
186	<	{"foreground", &server_state.foreground,
186	>	{"foreground", &server_state.foreground,
187		YESNO, "Run in foreground (don't detach)"},
188	<	{"version",    &printVersion,
188	>	{"version",    &printVersion,
189		YESNO, "Print version and exit"},
190		{"help", NULL, USAGE, "Print this text"},
191		{NULL, NULL, STRING, NULL},
#	Line 174 | Line 194 | static struct lgetopt myopts[] = {
194		void
195		set_time(void)
196		{
197	<	static char to_send[200];
178	<	struct timeval newtime;
179	<	newtime.tv_sec  = 0;
180	<	newtime.tv_usec = 0;
197	>	struct timeval newtime = { .tv_sec = 0, .tv_usec = 0 };
198
199		if (gettimeofday(&newtime, NULL) == -1)
200		{
#	Line 186 | Line 203 | set_time(void)
203		sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
204		"Clock Failure (%s), TS can be corrupted",
205		strerror(errno));
206	<	restart("Clock Failure");
206	>	server_die("Clock Failure", 1);
207		}
208
209		if (newtime.tv_sec < CurrentTime)
210		{
211	<	snprintf(to_send, sizeof(to_send),
212	<	"System clock is running backwards - (%lu < %lu)",
213	<	(unsigned long)newtime.tv_sec, (unsigned long)CurrentTime);
214	<	report_error(L_ALL, to_send, me.name, 0);
211	>	ilog(LOG_TYPE_IRCD, "System clock is running backwards - (%lu < %lu)",
212	>	(unsigned long)newtime.tv_sec, (unsigned long)CurrentTime);
213	>	sendto_realops_flags(UMODE_DEBUG, L_ALL, SEND_NOTICE,
214	>	"System clock is running backwards - (%lu < %lu)",
215	>	(unsigned long)newtime.tv_sec,
216	>	(unsigned long)CurrentTime);
217		set_back_events(CurrentTime - newtime.tv_sec);
218		}
219
#	Line 205 | Line 224 | set_time(void)
224		static void
225		io_loop(void)
226		{
227	<	while (1 == 1)
227	>	while (1)
228		{
210	–	/*
211	–	* Maybe we want a flags word?
212	–	* ie. if (REHASHED_KLINES(global_flags))
213	–	* SET_REHASHED_KLINES(global_flags)
214	–	* CLEAR_REHASHED_KLINES(global_flags)
215	–	*
216	–	* - Dianora
217	–	*/
218	–	if (rehashed_klines)
219	–	{
220	–	check_conf_klines();
221	–	rehashed_klines = 0;
222	–	}
223	–
229		if (listing_client_list.head)
230		{
231		dlink_node *ptr = NULL, *ptr_next = NULL;
232		DLINK_FOREACH_SAFE(ptr, ptr_next, listing_client_list.head)
233	<	{
229	<	struct Client *client_p = ptr->data;
230	<	assert(client_p->localClient->list_task);
231	<	safe_list_channels(client_p, client_p->localClient->list_task, 0);
232	<	}
233	>	safe_list_channels(ptr->data, 0);
234		}
235
236	<	/* Run pending events, then get the number of seconds to the next
237	<	* event
237	<	*/
238	<	while (eventNextTime() <= CurrentTime)
239	<	eventRun();
236	>	/* Run pending events */
237	>	event_run();
238
239		comm_select();
240		exit_aborted_clients();
241		free_exited_clients();
244	–	send_queued_all();
242
243		/* Check to see whether we have to rehash the configuration .. */
244		if (dorehash)
#	Line 249 | Line 246 | io_loop(void)
246		rehash(1);
247		dorehash = 0;
248		}
249	+
250		if (doremotd)
251		{
252		motd_recache();
253		sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
254	<	"Got signal SIGUSR1, reloading motd files");
254	>	"Got signal SIGUSR1, reloading motd file(s)");
255		doremotd = 0;
256		}
257		}
#	Line 263 | Line 261 | io_loop(void)
261		*
262		* inputs       - none
263		* output       - none
264	<	* side effects - This sets all global set options needed
264	>	* side effects - This sets all global set options needed
265		*/
266		static void
267		initialize_global_set_options(void)
#	Line 297 | Line 295 | initialize_global_set_options(void)
295		/* End of global set options */
296		}
297
300	–	/* initialize_message_files()
301	–	*
302	–	* inputs       - none
303	–	* output       - none
304	–	* side effects - Set up all message files needed, motd etc.
305	–	*/
306	–	static void
307	–	initialize_message_files(void)
308	–	{
309	–	init_isupport();
310	–	}
311	–
298		/* initialize_server_capabs()
299		*
300		* inputs       - none
#	Line 322 | Line 308 | initialize_server_capabs(void)
308		add_capability("TS6", CAP_TS6, 0);
309		add_capability("CLUSTER", CAP_CLUSTER, 1);
310		add_capability("SVS", CAP_SVS, 1);
311	<	#ifdef HALFOPS
311	>	add_capability("CHW", CAP_CHW, 1);
312		add_capability("HOPS", CAP_HOPS, 1);
327	–	#endif
313		}
314
315		/* write_pidfile()
#	Line 340 | Line 325 | write_pidfile(const char *filename)
325
326		if ((fb = fopen(filename, "w")))
327		{
328	<	char buff[32];
328	>	char buff[IRCD_BUFSIZE];
329		unsigned int pid = (unsigned int)getpid();
330
331		snprintf(buff, sizeof(buff), "%u\n", pid);
#	Line 369 | Line 354 | static void
354		check_pidfile(const char *filename)
355		{
356		FILE *fb;
357	<	char buff[32];
357	>	char buff[IRCD_BUFSIZE];
358		pid_t pidfromfile;
359
360		/* Don't do logging here, since we don't have log() initialised */
#	Line 423 | Line 408 | setup_corefile(void)
408		#endif
409		}
410
411	+	#ifdef HAVE_LIBCRYPTO
412	+	static int
413	+	always_accept_verify_cb(int preverify_ok, X509_STORE_CTX *x509_ctx)
414	+	{
415	+	return 1;
416	+	}
417	+	#endif
418	+
419		/* init_ssl()
420		*
421		* inputs       - nothing
#	Line 433 | Line 426 | static void
426		ssl_init(void)
427		{
428		#ifdef HAVE_LIBCRYPTO
429	+	const unsigned char session_id[] = "ircd-hybrid";
430	+
431		SSL_load_error_strings();
432		SSLeay_add_ssl_algorithms();
433
434		if ((ServerInfo.server_ctx = SSL_CTX_new(SSLv23_server_method())) == NULL)
435		{
436	<	const char *s;
436	>	const char *s = ERR_lib_error_string(ERR_get_error());
437
438	<	fprintf(stderr, "ERROR: Could not initialize the SSL Server context -- %s\n",
444	<	s = ERR_lib_error_string(ERR_get_error()));
438	>	fprintf(stderr, "ERROR: Could not initialize the SSL Server context -- %s\n", s);
439		ilog(LOG_TYPE_IRCD, "ERROR: Could not initialize the SSL Server context -- %s\n", s);
440		}
441
442		SSL_CTX_set_options(ServerInfo.server_ctx, SSL_OP_NO_SSLv2|SSL_OP_NO_SSLv3|SSL_OP_NO_TLSv1);
443	<	SSL_CTX_set_options(ServerInfo.server_ctx, SSL_OP_TLS_ROLLBACK_BUG|SSL_OP_ALL);
444	<	SSL_CTX_set_verify(ServerInfo.server_ctx, SSL_VERIFY_NONE, NULL);
443	>	SSL_CTX_set_options(ServerInfo.server_ctx, SSL_OP_TLS_ROLLBACK_BUG);
444	>	SSL_CTX_set_verify(ServerInfo.server_ctx, SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,
445	>	always_accept_verify_cb);
446	>	SSL_CTX_set_session_id_context(ServerInfo.server_ctx, session_id, sizeof(session_id) - 1);
447	>
448	>	#if OPENSSL_VERSION_NUMBER >= 0x1000005FL && !defined(OPENSSL_NO_ECDH)
449	>	{
450	>	EC_KEY *key = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
451	>
452	>	if (key)
453	>	{
454	>	SSL_CTX_set_tmp_ecdh(ServerInfo.server_ctx, key);
455	>	EC_KEY_free(key);
456	>	}
457	>	}
458	>
459	>	SSL_CTX_set_options(ServerInfo.server_ctx, SSL_OP_SINGLE_ECDH_USE);
460	>	#endif
461
462		if ((ServerInfo.client_ctx = SSL_CTX_new(SSLv23_client_method())) == NULL)
463		{
464	<	const char *s;
464	>	const char *s = ERR_lib_error_string(ERR_get_error());
465
466	<	fprintf(stderr, "ERROR: Could not initialize the SSL Client context -- %s\n",
457	<	s = ERR_lib_error_string(ERR_get_error()));
466	>	fprintf(stderr, "ERROR: Could not initialize the SSL Client context -- %s\n", s);
467		ilog(LOG_TYPE_IRCD, "ERROR: Could not initialize the SSL Client context -- %s\n", s);
468		}
469
470		SSL_CTX_set_options(ServerInfo.client_ctx, SSL_OP_NO_SSLv2|SSL_OP_NO_SSLv3|SSL_OP_NO_TLSv1);
471	<	SSL_CTX_set_options(ServerInfo.client_ctx, SSL_OP_TLS_ROLLBACK_BUG|SSL_OP_ALL);
472	<	SSL_CTX_set_verify(ServerInfo.client_ctx, SSL_VERIFY_NONE, NULL);
471	>	SSL_CTX_set_options(ServerInfo.client_ctx, SSL_OP_TLS_ROLLBACK_BUG);
472	>	SSL_CTX_set_verify(ServerInfo.client_ctx, SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,
473	>	always_accept_verify_cb);
474		#endif /* HAVE_LIBCRYPTO */
475		}
476
477		int
478		main(int argc, char *argv[])
479		{
480	<	/* Check to see if the user is running
471	<	* us as root, which is a nono
472	<	*/
480	>	/* Check to see if the user is running us as root, which is a nono */
481		if (geteuid() == 0)
482		{
483	<	fprintf(stderr, "Don't run ircd as root!!!\n");
483	>	fprintf(stderr, "ERROR: This server won't run as root/superuser\n");
484		return -1;
485		}
486
#	Line 486 | Line 494 | main(int argc, char *argv[])
494		init_genrand(SystemTime.tv_sec ^ (SystemTime.tv_usec | (getpid() << 20)));
495
496		me.localClient = &meLocalUser;
497	<	dlinkAdd(&me, &me.node, &global_client_list); /* Pointer to beginning
497	>	dlinkAdd(&me, &me.node, &global_client_list);  /* Pointer to beginning
498		of Client list */
499	<	/* Initialise the channel capability usage counts... */
492	<	init_chcap_usage_counts();
493	<
499	>	ConfigLoggingEntry.use_logging = 1;
500		ConfigFileEntry.dpath      = DPATH;
501	+	ConfigFileEntry.spath      = SPATH;
502	+	ConfigFileEntry.mpath      = MPATH;
503		ConfigFileEntry.configfile = CPATH;    /* Server configuration file */
504		ConfigFileEntry.klinefile  = KPATH;    /* Server kline file         */
505		ConfigFileEntry.glinefile  = GPATH;    /* Server gline file         */
#	Line 506 | Line 514 | main(int argc, char *argv[])
514
515		if (printVersion)
516		{
517	<	printf("ircd: version %s\n", ircd_version);
517	>	printf("ircd: version %s(%s)\n", ircd_version, serno);
518		exit(EXIT_SUCCESS);
519		}
520
#	Line 528 | Line 536 | main(int argc, char *argv[])
536
537		setup_signals();
538
531	–	/* Init the event subsystem */
532	–	eventInit();
539		/* We need this to initialise the fd array before anything else */
540		fdlist_init();
541		log_set_file(LOG_TYPE_IRCD, 0, logFileName);
542		check_can_use_v6();
543	<	init_comm();         /* This needs to be setup early ! -- adrian */
543	>	init_netio();         /* This needs to be setup early ! -- adrian */
544	>
545		/* Check if there is pidfile and daemon already running */
546		check_pidfile(pidFileName);
547
548		mp_pool_init();
549		init_dlink_nodes();
550	<	initialize_message_files();
550	>	init_isupport();
551		dbuf_init();
552		hash_init();
553		init_ip_hash_table();      /* client host ip hash table */
#	Line 557 | Line 564 | main(int argc, char *argv[])
564		initialize_server_capabs();   /* Set up default_server_capabs */
565		initialize_global_set_options();
566		channel_init();
567	+	read_links_file();
568		motd_init();
569		#ifdef HAVE_LIBGEOIP
570		geoip_ctx = GeoIP_new(GEOIP_MEMORY_CACHE);
#	Line 598 | Line 606 | main(int argc, char *argv[])
606
607		hash_add_id(&me);
608		hash_add_client(&me);
609	<
609	>
610		/* add ourselves to global_serv_list */
611		dlinkAdd(&me, make_dlink_node(), &global_serv_list);
612
#	Line 635 | Line 643 | main(int argc, char *argv[])
643
644		ilog(LOG_TYPE_IRCD, "Server Ready");
645
646	<	eventAddIsh("cleanup_glines", cleanup_glines, NULL, CLEANUP_GLINES_TIME);
647	<	eventAddIsh("cleanup_tklines", cleanup_tklines, NULL, CLEANUP_TKLINES_TIME);
646	>	event_addish(&event_cleanup_glines, NULL);
647	>	event_addish(&event_cleanup_tklines, NULL);
648
649		/* We want try_connections to be called as soon as possible now! -- adrian */
650		/* No, 'cause after a restart it would cause all sorts of nick collides */
651	<	eventAddIsh("try_connections", try_connections, NULL, STARTUP_CONNECTIONS_TIME);
651	>	event_addish(&event_try_connections, NULL);
652
653		/* Setup the timeout check. I'll shift it later :)  -- adrian */
654	<	eventAddIsh("comm_checktimeouts", comm_checktimeouts, NULL, 1);
654	>	event_addish(&event_comm_checktimeouts, NULL);
655
656	<	eventAddIsh("save_all_databases", save_all_databases, NULL, DATABASE_UPDATE_TIMEOUT);
656	>	event_addish(&event_save_all_databases, NULL);
657
658		if (ConfigServerHide.links_delay > 0)
659	<	eventAddIsh("write_links_file", write_links_file, NULL, ConfigServerHide.links_delay);
659	>	{
660	>	event_write_links_file.when = ConfigServerHide.links_delay;
661	>	event_addish(&event_write_links_file, NULL);
662	>	}
663		else
664		ConfigServerHide.links_disabled = 1;
665
666		if (splitmode)
667	<	eventAddIsh("check_splitmode", check_splitmode, NULL, 60);
667	>	event_addish(&event_check_splitmode, NULL);
668
669		io_loop();
670		return 0;

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