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

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ircd-hybrid-8/src/ircd.c (file contents), Revision 1357 by michael, Sat Apr 21 20:47:01 2012 UTC vs.
ircd-hybrid/trunk/src/ircd.c (file contents), Revision 4080 by michael, Sat Jun 28 16:02:44 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"
40	–	#include "numeric.h"
41	–	#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 "conf.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 "hook.h"
54	>	#include "mempool.h"
55		#include "ircd_getopt.h"
58	–	#include "balloc.h"
59	–	#include "motd.h"
56		#include "supported.h"
57		#include "watch.h"
58	+	#include "conf_db.h"
59	+	#include "conf_class.h"
60	+
61
62	+	#ifdef HAVE_LIBGEOIP
63	+	GeoIP *geoip_ctx;
64	+	#endif
65
66		/* /quote set variables */
67		struct SetOptions GlobalSetOptions;
68	<
69	<	/* configuration set from ircd.conf */
68	<	struct config_file_entry ConfigFileEntry;
69	<	/* server info set from ircd.conf */
70	<	struct server_info ServerInfo;
71	<	/* admin info set from ircd.conf */
72	<	struct admin_info AdminInfo = { NULL, NULL, NULL };
73	<	struct Counter Count = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
74	<	struct ServerState_t server_state = { 0 };
75	<	struct logging_entry ConfigLoggingEntry = { .use_logging = 1 };
68	>	struct Counter Count;
69	>	struct ServerState_t server_state;
70		struct ServerStatistics ServerStats;
71		struct timeval SystemTime;
72		struct Client me;             /* That's me */
#	Line 82 | Line 76 | const char *logFileName = LPATH;
76		const char *pidFileName = PPATH;
77
78		char **myargv;
85	–	char ircd_platform[PLATFORMLEN];
79
80		int dorehash = 0;
81		int doremotd = 0;
#	Line 90 | Line 83 | int doremotd = 0;
83		/* Set to zero because it should be initialized later using
84		* initialize_server_capabs
85		*/
86	<	int default_server_capabs = 0;
86	>	unsigned int default_server_capabs;
87		unsigned int splitmode;
88		unsigned int splitchecking;
89		unsigned int split_users;
90		unsigned int split_servers;
91
99	–	/* Do klines the same way hybrid-6 did them, i.e. at the
100	–	* top of the next io_loop instead of in the same loop as
101	–	* the klines are being applied.
102	–	*
103	–	* This should fix strange CPU starvation as very indirectly reported.
104	–	* (Why do you people not email bug reports? WHY? WHY?)
105	–	*
106	–	* - Dianora
107	–	*/
108	–
109	–	int rehashed_klines = 0;
110	–
111	–
92		/*
93		* print_startup - print startup information
94		*/
95		static void
96		print_startup(int pid)
97		{
98	<	printf("ircd: version %s\n", ircd_version);
98	>	printf("ircd: version %s(%s)\n", ircd_version, serno);
99		printf("ircd: pid %d\n", pid);
100		printf("ircd: running in %s mode from %s\n", !server_state.foreground ? "background"
101		: "foreground", ConfigFileEntry.dpath);
#	Line 142 | Line 122 | make_daemon(void)
122
123		static int printVersion = 0;
124
125	<	static struct lgetopt myopts[] = {
126	<	{"dlinefile",  &ConfigFileEntry.dlinefile,
127	<	STRING, "File to use for dline.conf"},
148	<	{"configfile", &ConfigFileEntry.configfile,
125	>	static struct lgetopt myopts[] =
126	>	{
127	>	{"configfile", &ConfigFileEntry.configfile,
128		STRING, "File to use for ircd.conf"},
129	<	{"klinefile",  &ConfigFileEntry.klinefile,
130	<	STRING, "File to use for kline.conf"},
131	<	{"xlinefile",  &ConfigFileEntry.xlinefile,
132	<	STRING, "File to use for xline.conf"},
133	<	{"logfile",    &logFileName,
129	>	{"glinefile",  &ConfigFileEntry.glinefile,
130	>	STRING, "File to use for gline database"},
131	>	{"klinefile",  &ConfigFileEntry.klinefile,
132	>	STRING, "File to use for kline database"},
133	>	{"dlinefile",  &ConfigFileEntry.dlinefile,
134	>	STRING, "File to use for dline database"},
135	>	{"xlinefile",  &ConfigFileEntry.xlinefile,
136	>	STRING, "File to use for xline database"},
137	>	{"resvfile",  &ConfigFileEntry.resvfile,
138	>	STRING, "File to use for resv database"},
139	>	{"logfile",    &logFileName,
140		STRING, "File to use for ircd.log"},
141		{"pidfile",    &pidFileName,
142		STRING, "File to use for process ID"},
143	<	{"foreground", &server_state.foreground,
143	>	{"foreground", &server_state.foreground,
144		YESNO, "Run in foreground (don't detach)"},
145	<	{"version",    &printVersion,
145	>	{"version",    &printVersion,
146		YESNO, "Print version and exit"},
147		{"help", NULL, USAGE, "Print this text"},
148		{NULL, NULL, STRING, NULL},
#	Line 166 | Line 151 | static struct lgetopt myopts[] = {
151		void
152		set_time(void)
153		{
154	<	static char to_send[200];
170	<	struct timeval newtime;
171	<	newtime.tv_sec  = 0;
172	<	newtime.tv_usec = 0;
154	>	struct timeval newtime = { .tv_sec = 0, .tv_usec = 0 };
155
156		if (gettimeofday(&newtime, NULL) == -1)
157		{
158		ilog(LOG_TYPE_IRCD, "Clock Failure (%s), TS can be corrupted",
159		strerror(errno));
160	<	sendto_realops_flags(UMODE_ALL, L_ALL,
160	>	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
161		"Clock Failure (%s), TS can be corrupted",
162		strerror(errno));
163	<	restart("Clock Failure");
163	>	server_die("Clock Failure", 1);
164		}
165
166		if (newtime.tv_sec < CurrentTime)
167		{
168	<	snprintf(to_send, sizeof(to_send),
169	<	"System clock is running backwards - (%lu < %lu)",
170	<	(unsigned long)newtime.tv_sec, (unsigned long)CurrentTime);
171	<	report_error(L_ALL, to_send, me.name, 0);
168	>	ilog(LOG_TYPE_IRCD, "System clock is running backwards - (%lu < %lu)",
169	>	(unsigned long)newtime.tv_sec, (unsigned long)CurrentTime);
170	>	sendto_realops_flags(UMODE_DEBUG, L_ALL, SEND_NOTICE,
171	>	"System clock is running backwards - (%lu < %lu)",
172	>	(unsigned long)newtime.tv_sec,
173	>	(unsigned long)CurrentTime);
174		set_back_events(CurrentTime - newtime.tv_sec);
175		}
176
#	Line 197 | Line 181 | set_time(void)
181		static void
182		io_loop(void)
183		{
184	<	while (1 == 1)
184	>	while (1)
185		{
202	–	/*
203	–	* Maybe we want a flags word?
204	–	* ie. if (REHASHED_KLINES(global_flags))
205	–	* SET_REHASHED_KLINES(global_flags)
206	–	* CLEAR_REHASHED_KLINES(global_flags)
207	–	*
208	–	* - Dianora
209	–	*/
210	–	if (rehashed_klines)
211	–	{
212	–	check_conf_klines();
213	–	rehashed_klines = 0;
214	–	}
215	–
186		if (listing_client_list.head)
187		{
188		dlink_node *ptr = NULL, *ptr_next = NULL;
189		DLINK_FOREACH_SAFE(ptr, ptr_next, listing_client_list.head)
190	<	{
221	<	struct Client *client_p = ptr->data;
222	<	assert(client_p->localClient->list_task);
223	<	safe_list_channels(client_p, client_p->localClient->list_task, 0);
224	<	}
190	>	safe_list_channels(ptr->data, 0);
191		}
192
193		/* Run pending events, then get the number of seconds to the next
#	Line 233 | Line 199 | io_loop(void)
199		comm_select();
200		exit_aborted_clients();
201		free_exited_clients();
236	–	send_queued_all();
202
203		/* Check to see whether we have to rehash the configuration .. */
204		if (dorehash)
#	Line 241 | Line 206 | io_loop(void)
206		rehash(1);
207		dorehash = 0;
208		}
209	+
210		if (doremotd)
211		{
212	<	read_message_file(&ConfigFileEntry.motd);
213	<	sendto_realops_flags(UMODE_ALL, L_ALL,
214	<	"Got signal SIGUSR1, reloading ircd motd file");
212	>	motd_recache();
213	>	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
214	>	"Got signal SIGUSR1, reloading motd file(s)");
215		doremotd = 0;
216		}
217		}
#	Line 255 | Line 221 | io_loop(void)
221		*
222		* inputs       - none
223		* output       - none
224	<	* side effects - This sets all global set options needed
224	>	* side effects - This sets all global set options needed
225		*/
226		static void
227		initialize_global_set_options(void)
#	Line 289 | Line 255 | initialize_global_set_options(void)
255		/* End of global set options */
256		}
257
292	–	/* initialize_message_files()
293	–	*
294	–	* inputs       - none
295	–	* output       - none
296	–	* side effects - Set up all message files needed, motd etc.
297	–	*/
298	–	static void
299	–	initialize_message_files(void)
300	–	{
301	–	init_message_file(USER_MOTD, MPATH, &ConfigFileEntry.motd);
302	–	init_message_file(OPER_MOTD, OPATH, &ConfigFileEntry.opermotd);
303	–	init_message_file(USER_LINKS, LIPATH, &ConfigFileEntry.linksfile);
304	–
305	–	read_message_file(&ConfigFileEntry.motd);
306	–	read_message_file(&ConfigFileEntry.opermotd);
307	–	read_message_file(&ConfigFileEntry.linksfile);
308	–
309	–	init_isupport();
310	–	}
311	–
258		/* initialize_server_capabs()
259		*
260		* inputs       - none
#	Line 322 | Line 268 | initialize_server_capabs(void)
268		add_capability("TS6", CAP_TS6, 0);
269		add_capability("CLUSTER", CAP_CLUSTER, 1);
270		add_capability("SVS", CAP_SVS, 1);
271	<	#ifdef HALFOPS
271	>	add_capability("CHW", CAP_CHW, 1);
272		add_capability("HOPS", CAP_HOPS, 1);
327	–	#endif
273		}
274
275		/* write_pidfile()
#	Line 340 | Line 285 | write_pidfile(const char *filename)
285
286		if ((fb = fopen(filename, "w")))
287		{
288	<	char buff[32];
288	>	char buff[IRCD_BUFSIZE];
289		unsigned int pid = (unsigned int)getpid();
290
291		snprintf(buff, sizeof(buff), "%u\n", pid);
#	Line 369 | Line 314 | static void
314		check_pidfile(const char *filename)
315		{
316		FILE *fb;
317	<	char buff[32];
317	>	char buff[IRCD_BUFSIZE];
318		pid_t pidfromfile;
319
320		/* Don't do logging here, since we don't have log() initialised */
#	Line 423 | Line 368 | setup_corefile(void)
368		#endif
369		}
370
371	+	#ifdef HAVE_LIBCRYPTO
372	+	static int
373	+	always_accept_verify_cb(int preverify_ok, X509_STORE_CTX *x509_ctx)
374	+	{
375	+	return 1;
376	+	}
377	+	#endif
378	+
379		/* init_ssl()
380		*
381		* inputs       - nothing
#	Line 430 | Line 383 | setup_corefile(void)
383		* side effects - setups SSL context.
384		*/
385		static void
386	<	init_ssl(void)
386	>	ssl_init(void)
387		{
388		#ifdef HAVE_LIBCRYPTO
389	+	const unsigned char session_id[] = "ircd-hybrid";
390	+
391		SSL_load_error_strings();
392		SSLeay_add_ssl_algorithms();
393
#	Line 446 | Line 401 | init_ssl(void)
401		}
402
403		SSL_CTX_set_options(ServerInfo.server_ctx, SSL_OP_NO_SSLv2|SSL_OP_NO_SSLv3|SSL_OP_NO_TLSv1);
404	<	SSL_CTX_set_options(ServerInfo.server_ctx, SSL_OP_TLS_ROLLBACK_BUG|SSL_OP_ALL);
405	<	SSL_CTX_set_verify(ServerInfo.server_ctx, SSL_VERIFY_NONE, NULL);
404	>	SSL_CTX_set_options(ServerInfo.server_ctx, SSL_OP_TLS_ROLLBACK_BUG);
405	>	SSL_CTX_set_verify(ServerInfo.server_ctx, SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,
406	>	always_accept_verify_cb);
407	>	SSL_CTX_set_session_id_context(ServerInfo.server_ctx, session_id, sizeof(session_id) - 1);
408	>
409	>	#if OPENSSL_VERSION_NUMBER >= 0x1000005FL && !defined(OPENSSL_NO_ECDH)
410	>	{
411	>	EC_KEY *key = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
412	>
413	>	if (key)
414	>	{
415	>	SSL_CTX_set_tmp_ecdh(ServerInfo.server_ctx, key);
416	>	EC_KEY_free(key);
417	>	}
418	>	}
419	>
420	>	SSL_CTX_set_options(ServerInfo.server_ctx, SSL_OP_SINGLE_ECDH_USE);
421	>	#endif
422
423		if ((ServerInfo.client_ctx = SSL_CTX_new(SSLv23_client_method())) == NULL)
424		{
#	Line 459 | Line 430 | init_ssl(void)
430		}
431
432		SSL_CTX_set_options(ServerInfo.client_ctx, SSL_OP_NO_SSLv2|SSL_OP_NO_SSLv3|SSL_OP_NO_TLSv1);
433	<	SSL_CTX_set_options(ServerInfo.client_ctx, SSL_OP_TLS_ROLLBACK_BUG|SSL_OP_ALL);
434	<	SSL_CTX_set_verify(ServerInfo.client_ctx, SSL_VERIFY_NONE, NULL);
433	>	SSL_CTX_set_options(ServerInfo.client_ctx, SSL_OP_TLS_ROLLBACK_BUG);
434	>	SSL_CTX_set_verify(ServerInfo.client_ctx, SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,
435	>	always_accept_verify_cb);
436		#endif /* HAVE_LIBCRYPTO */
437		}
438
467	–	/* init_callbacks()
468	–	*
469	–	* inputs       - nothing
470	–	* output       - nothing
471	–	* side effects - setups standard hook points
472	–	*/
473	–	static void
474	–	init_callbacks(void)
475	–	{
476	–	iorecv_cb = register_callback("iorecv", iorecv_default);
477	–	iosend_cb = register_callback("iosend", iosend_default);
478	–	}
479	–
439		int
440		main(int argc, char *argv[])
441		{
442	<	/* Check to see if the user is running
484	<	* us as root, which is a nono
485	<	*/
442	>	/* Check to see if the user is running us as root, which is a nono */
443		if (geteuid() == 0)
444		{
445	<	fprintf(stderr, "Don't run ircd as root!!!\n");
445	>	fprintf(stderr, "ERROR: This server won't run as root/superuser\n");
446		return -1;
447		}
448
#	Line 499 | Line 456 | main(int argc, char *argv[])
456		init_genrand(SystemTime.tv_sec ^ (SystemTime.tv_usec | (getpid() << 20)));
457
458		me.localClient = &meLocalUser;
459	<	dlinkAdd(&me, &me.node, &global_client_list); /* Pointer to beginning
459	>	dlinkAdd(&me, &me.node, &global_client_list);  /* Pointer to beginning
460		of Client list */
461	<	/* Initialise the channel capability usage counts... */
505	<	init_chcap_usage_counts();
506	<
461	>	ConfigLoggingEntry.use_logging = 1;
462		ConfigFileEntry.dpath      = DPATH;
463	<	ConfigFileEntry.configfile = CPATH;  /* Server configuration file */
464	<	ConfigFileEntry.klinefile  = KPATH;  /* Server kline file         */
465	<	ConfigFileEntry.xlinefile  = XPATH;  /* Server xline file         */
466	<	ConfigFileEntry.rxlinefile = RXPATH; /* Server regex xline file   */
467	<	ConfigFileEntry.rklinefile = RKPATH; /* Server regex kline file   */
468	<	ConfigFileEntry.dlinefile  = DLPATH; /* dline file                */
469	<	ConfigFileEntry.glinefile  = GPATH;  /* gline log file            */
470	<	ConfigFileEntry.cresvfile  = CRESVPATH; /* channel resv file      */
471	<	ConfigFileEntry.nresvfile  = NRESVPATH; /* nick resv file         */
463	>	ConfigFileEntry.spath      = SPATH;
464	>	ConfigFileEntry.mpath      = MPATH;
465	>	ConfigFileEntry.configfile = CPATH;    /* Server configuration file */
466	>	ConfigFileEntry.klinefile  = KPATH;    /* Server kline file         */
467	>	ConfigFileEntry.glinefile  = GPATH;    /* Server gline file         */
468	>	ConfigFileEntry.xlinefile  = XPATH;    /* Server xline file         */
469	>	ConfigFileEntry.dlinefile  = DLPATH;   /* dline file                */
470	>	ConfigFileEntry.resvfile   = RESVPATH; /* resv file                 */
471	>
472		myargv = argv;
473		umask(077);                /* better safe than sorry --SRB */
474
#	Line 521 | Line 476 | main(int argc, char *argv[])
476
477		if (printVersion)
478		{
479	<	printf("ircd: version %s\n", ircd_version);
479	>	printf("ircd: version %s(%s)\n", ircd_version, serno);
480		exit(EXIT_SUCCESS);
481		}
482
#	Line 531 | Line 486 | main(int argc, char *argv[])
486		exit(EXIT_FAILURE);
487		}
488
489	<	init_ssl();
489	>	ssl_init();
490
491		if (!server_state.foreground)
492		{
#	Line 543 | Line 498 | main(int argc, char *argv[])
498
499		setup_signals();
500
546	–	get_ircd_platform(ircd_platform);
547	–
501		/* Init the event subsystem */
502		eventInit();
503	+
504		/* We need this to initialise the fd array before anything else */
505		fdlist_init();
506	<	log_add_file(LOG_TYPE_IRCD, 0, logFileName);
506	>	log_set_file(LOG_TYPE_IRCD, 0, logFileName);
507		check_can_use_v6();
508	<	init_comm();         /* This needs to be setup early ! -- adrian */
508	>	init_netio();         /* This needs to be setup early ! -- adrian */
509	>
510		/* Check if there is pidfile and daemon already running */
511		check_pidfile(pidFileName);
512
513	<	initBlockHeap();
513	>	mp_pool_init();
514		init_dlink_nodes();
515	<	init_callbacks();
561	<	initialize_message_files();
515	>	init_isupport();
516		dbuf_init();
517	<	init_hash();
517	>	hash_init();
518		init_ip_hash_table();      /* client host ip hash table */
519		init_host_hash();          /* Host-hashtable. */
520	<	clear_tree_parse();
521	<	init_client();
522	<	init_class();
569	<	init_whowas();
520	>	client_init();
521	>	class_init();
522	>	whowas_init();
523		watch_init();
524	<	init_auth();          /* Initialise the auth code */
524	>	auth_init();          /* Initialise the auth code */
525		init_resolver();      /* Needs to be setup before the io loop */
526	+	modules_init();
527		read_conf_files(1);   /* cold start init conf files */
528		init_uid();
529		initialize_server_capabs();   /* Set up default_server_capabs */
530		initialize_global_set_options();
531	<	init_channels();
531	>	channel_init();
532	>	read_links_file();
533	>	motd_init();
534	>	#ifdef HAVE_LIBGEOIP
535	>	geoip_ctx = GeoIP_new(GEOIP_MEMORY_CACHE);
536	>	#endif
537
538		if (EmptyString(ServerInfo.sid))
539		{
#	Line 612 | Line 571 | main(int argc, char *argv[])
571
572		hash_add_id(&me);
573		hash_add_client(&me);
574	<
574	>
575		/* add ourselves to global_serv_list */
576		dlinkAdd(&me, make_dlink_node(), &global_serv_list);
577
578	+	load_kline_database();
579	+	load_dline_database();
580	+	load_gline_database();
581	+	load_xline_database();
582	+	load_resv_database();
583	+
584		if (chdir(MODPATH))
585		{
586		ilog(LOG_TYPE_IRCD, "Could not load core modules. Terminating!");
#	Line 653 | Line 618 | main(int argc, char *argv[])
618		/* Setup the timeout check. I'll shift it later :)  -- adrian */
619		eventAddIsh("comm_checktimeouts", comm_checktimeouts, NULL, 1);
620
621	+	eventAddIsh("save_all_databases", save_all_databases, NULL, DATABASE_UPDATE_TIMEOUT);
622	+
623		if (ConfigServerHide.links_delay > 0)
624		eventAddIsh("write_links_file", write_links_file, NULL, ConfigServerHide.links_delay);
625		else

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