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Comparing ircd-hybrid/trunk/src/ircd.c (file contents):
Revision 1718 by michael, Thu Dec 27 19:03:00 2012 UTC vs.
Revision 3347 by michael, Sun Apr 20 14:03:06 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 "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 */
69	<	struct config_file_entry ConfigFileEntry;
70	<	/* server info set from ircd.conf */
71	<	struct server_info ServerInfo;
72	<	/* admin info set from ircd.conf */
73	<	struct admin_info AdminInfo = { NULL, NULL, NULL };
74	<	struct Counter Count = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
75	<	struct ServerState_t server_state = { 0 };
76	<	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 115 | Line 108 | int rehashed_klines = 0;
108		static void
109		print_startup(int pid)
110		{
111	<	printf("ircd: version %s\n", ircd_version);
111	>	printf("ircd: version %s(%s)\n", ircd_version, serno);
112		printf("ircd: pid %d\n", pid);
113		printf("ircd: running in %s mode from %s\n", !server_state.foreground ? "background"
114		: "foreground", ConfigFileEntry.dpath);
#	Line 142 | Line 135 | make_daemon(void)
135
136		static int printVersion = 0;
137
138	<	static struct lgetopt myopts[] = {
139	<	{"configfile", &ConfigFileEntry.configfile,
138	>	static struct lgetopt myopts[] =
139	>	{
140	>	{"configfile", &ConfigFileEntry.configfile,
141		STRING, "File to use for ircd.conf"},
142		{"glinefile",  &ConfigFileEntry.glinefile,
143		STRING, "File to use for gline database"},
144	<	{"klinefile",  &ConfigFileEntry.klinefile,
144	>	{"klinefile",  &ConfigFileEntry.klinefile,
145		STRING, "File to use for kline database"},
146		{"dlinefile",  &ConfigFileEntry.dlinefile,
147		STRING, "File to use for dline database"},
148	<	{"xlinefile",  &ConfigFileEntry.xlinefile,
148	>	{"xlinefile",  &ConfigFileEntry.xlinefile,
149		STRING, "File to use for xline database"},
150		{"resvfile",  &ConfigFileEntry.resvfile,
151		STRING, "File to use for resv database"},
152	<	{"logfile",    &logFileName,
152	>	{"logfile",    &logFileName,
153		STRING, "File to use for ircd.log"},
154		{"pidfile",    &pidFileName,
155		STRING, "File to use for process ID"},
156	<	{"foreground", &server_state.foreground,
156	>	{"foreground", &server_state.foreground,
157		YESNO, "Run in foreground (don't detach)"},
158	<	{"version",    &printVersion,
158	>	{"version",    &printVersion,
159		YESNO, "Print version and exit"},
160		{"help", NULL, USAGE, "Print this text"},
161		{NULL, NULL, STRING, NULL},
#	Line 170 | Line 164 | static struct lgetopt myopts[] = {
164		void
165		set_time(void)
166		{
167	<	static char to_send[200];
174	<	struct timeval newtime;
175	<	newtime.tv_sec  = 0;
176	<	newtime.tv_usec = 0;
167	>	struct timeval newtime = { .tv_sec = 0, .tv_usec = 0 };
168
169		if (gettimeofday(&newtime, NULL) == -1)
170		{
#	Line 182 | Line 173 | set_time(void)
173		sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
174		"Clock Failure (%s), TS can be corrupted",
175		strerror(errno));
176	<	restart("Clock Failure");
176	>	server_die("Clock Failure", 1);
177		}
178
179		if (newtime.tv_sec < CurrentTime)
180		{
181	<	snprintf(to_send, sizeof(to_send),
182	<	"System clock is running backwards - (%lu < %lu)",
183	<	(unsigned long)newtime.tv_sec, (unsigned long)CurrentTime);
184	<	report_error(L_ALL, to_send, me.name, 0);
181	>	ilog(LOG_TYPE_IRCD, "System clock is running backwards - (%lu < %lu)",
182	>	(unsigned long)newtime.tv_sec, (unsigned long)CurrentTime);
183	>	sendto_realops_flags(UMODE_DEBUG, L_ALL, SEND_NOTICE,
184	>	"System clock is running backwards - (%lu < %lu)",
185	>	(unsigned long)newtime.tv_sec,
186	>	(unsigned long)CurrentTime);
187		set_back_events(CurrentTime - newtime.tv_sec);
188		}
189
#	Line 201 | Line 194 | set_time(void)
194		static void
195		io_loop(void)
196		{
197	<	while (1 == 1)
197	>	while (1)
198		{
199		/*
200		* Maybe we want a flags word?
201	<	* ie. if (REHASHED_KLINES(global_flags))
201	>	* ie. if (REHASHED_KLINES(global_flags))
202		* SET_REHASHED_KLINES(global_flags)
203		* CLEAR_REHASHED_KLINES(global_flags)
204		*
#	Line 221 | Line 214 | io_loop(void)
214		{
215		dlink_node *ptr = NULL, *ptr_next = NULL;
216		DLINK_FOREACH_SAFE(ptr, ptr_next, listing_client_list.head)
217	<	{
225	<	struct Client *client_p = ptr->data;
226	<	assert(client_p->localClient->list_task);
227	<	safe_list_channels(client_p, client_p->localClient->list_task, 0);
228	<	}
217	>	safe_list_channels(ptr->data, 0);
218		}
219
220		/* Run pending events, then get the number of seconds to the next
#	Line 237 | Line 226 | io_loop(void)
226		comm_select();
227		exit_aborted_clients();
228		free_exited_clients();
240	–	send_queued_all();
229
230		/* Check to see whether we have to rehash the configuration .. */
231		if (dorehash)
#	Line 245 | Line 233 | io_loop(void)
233		rehash(1);
234		dorehash = 0;
235		}
236	+
237		if (doremotd)
238		{
239	<	read_message_file(&ConfigFileEntry.motd);
239	>	motd_recache();
240		sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
241	<	"Got signal SIGUSR1, reloading ircd motd file");
241	>	"Got signal SIGUSR1, reloading motd file(s)");
242		doremotd = 0;
243		}
244		}
#	Line 259 | Line 248 | io_loop(void)
248		*
249		* inputs       - none
250		* output       - none
251	<	* side effects - This sets all global set options needed
251	>	* side effects - This sets all global set options needed
252		*/
253		static void
254		initialize_global_set_options(void)
#	Line 293 | Line 282 | initialize_global_set_options(void)
282		/* End of global set options */
283		}
284
296	–	/* initialize_message_files()
297	–	*
298	–	* inputs       - none
299	–	* output       - none
300	–	* side effects - Set up all message files needed, motd etc.
301	–	*/
302	–	static void
303	–	initialize_message_files(void)
304	–	{
305	–	init_message_file(USER_MOTD, MPATH, &ConfigFileEntry.motd);
306	–	init_message_file(USER_LINKS, LIPATH, &ConfigFileEntry.linksfile);
307	–
308	–	read_message_file(&ConfigFileEntry.motd);
309	–	read_message_file(&ConfigFileEntry.linksfile);
310	–
311	–	init_isupport();
312	–	}
313	–
285		/* initialize_server_capabs()
286		*
287		* inputs       - none
#	Line 324 | Line 295 | initialize_server_capabs(void)
295		add_capability("TS6", CAP_TS6, 0);
296		add_capability("CLUSTER", CAP_CLUSTER, 1);
297		add_capability("SVS", CAP_SVS, 1);
298	+	add_capability("CHW", CAP_CHW, 1);
299		#ifdef HALFOPS
300		add_capability("HOPS", CAP_HOPS, 1);
301		#endif
#	Line 342 | Line 314 | write_pidfile(const char *filename)
314
315		if ((fb = fopen(filename, "w")))
316		{
317	<	char buff[32];
317	>	char buff[IRCD_BUFSIZE];
318		unsigned int pid = (unsigned int)getpid();
319
320		snprintf(buff, sizeof(buff), "%u\n", pid);
#	Line 371 | Line 343 | static void
343		check_pidfile(const char *filename)
344		{
345		FILE *fb;
346	<	char buff[32];
346	>	char buff[IRCD_BUFSIZE];
347		pid_t pidfromfile;
348
349		/* Don't do logging here, since we don't have log() initialised */
#	Line 425 | Line 397 | setup_corefile(void)
397		#endif
398		}
399
400	+	#ifdef HAVE_LIBCRYPTO
401	+	static int
402	+	always_accept_verify_cb(int preverify_ok, X509_STORE_CTX *x509_ctx)
403	+	{
404	+	return 1;
405	+	}
406	+	#endif
407	+
408		/* init_ssl()
409		*
410		* inputs       - nothing
#	Line 432 | Line 412 | setup_corefile(void)
412		* side effects - setups SSL context.
413		*/
414		static void
415	<	init_ssl(void)
415	>	ssl_init(void)
416		{
417		#ifdef HAVE_LIBCRYPTO
418	+	const unsigned char session_id[] = "ircd-hybrid";
419	+
420		SSL_load_error_strings();
421		SSLeay_add_ssl_algorithms();
422
#	Line 449 | Line 431 | init_ssl(void)
431
432		SSL_CTX_set_options(ServerInfo.server_ctx, SSL_OP_NO_SSLv2|SSL_OP_NO_SSLv3|SSL_OP_NO_TLSv1);
433		SSL_CTX_set_options(ServerInfo.server_ctx, SSL_OP_TLS_ROLLBACK_BUG|SSL_OP_ALL);
434	<	SSL_CTX_set_verify(ServerInfo.server_ctx, SSL_VERIFY_NONE, NULL);
434	>	SSL_CTX_set_verify(ServerInfo.server_ctx, SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,
435	>	always_accept_verify_cb);
436	>	SSL_CTX_set_session_id_context(ServerInfo.server_ctx, session_id, sizeof(session_id) - 1);
437
438		if ((ServerInfo.client_ctx = SSL_CTX_new(SSLv23_client_method())) == NULL)
439		{
#	Line 462 | Line 446 | init_ssl(void)
446
447		SSL_CTX_set_options(ServerInfo.client_ctx, SSL_OP_NO_SSLv2|SSL_OP_NO_SSLv3|SSL_OP_NO_TLSv1);
448		SSL_CTX_set_options(ServerInfo.client_ctx, SSL_OP_TLS_ROLLBACK_BUG|SSL_OP_ALL);
449	<	SSL_CTX_set_verify(ServerInfo.client_ctx, SSL_VERIFY_NONE, NULL);
449	>	SSL_CTX_set_verify(ServerInfo.client_ctx, SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,
450	>	always_accept_verify_cb);
451		#endif /* HAVE_LIBCRYPTO */
452		}
453
469	–	/* init_callbacks()
470	–	*
471	–	* inputs       - nothing
472	–	* output       - nothing
473	–	* side effects - setups standard hook points
474	–	*/
475	–	static void
476	–	init_callbacks(void)
477	–	{
478	–	iorecv_cb = register_callback("iorecv", iorecv_default);
479	–	iosend_cb = register_callback("iosend", iosend_default);
480	–	}
481	–
454		int
455		main(int argc, char *argv[])
456		{
457	<	/* Check to see if the user is running
486	<	* us as root, which is a nono
487	<	*/
457	>	/* Check to see if the user is running us as root, which is a nono */
458		if (geteuid() == 0)
459		{
460		fprintf(stderr, "Don't run ircd as root!!!\n");
#	Line 501 | Line 471 | main(int argc, char *argv[])
471		init_genrand(SystemTime.tv_sec ^ (SystemTime.tv_usec | (getpid() << 20)));
472
473		me.localClient = &meLocalUser;
474	<	dlinkAdd(&me, &me.node, &global_client_list); /* Pointer to beginning
474	>	dlinkAdd(&me, &me.node, &global_client_list);  /* Pointer to beginning
475		of Client list */
506	–	/* Initialise the channel capability usage counts... */
507	–	init_chcap_usage_counts();
508	–
476		ConfigFileEntry.dpath      = DPATH;
477	+	ConfigFileEntry.spath      = SPATH;
478	+	ConfigFileEntry.mpath      = MPATH;
479		ConfigFileEntry.configfile = CPATH;    /* Server configuration file */
480		ConfigFileEntry.klinefile  = KPATH;    /* Server kline file         */
481		ConfigFileEntry.glinefile  = GPATH;    /* Server gline file         */
#	Line 521 | Line 490 | main(int argc, char *argv[])
490
491		if (printVersion)
492		{
493	<	printf("ircd: version %s\n", ircd_version);
493	>	printf("ircd: version %s(%s)\n", ircd_version, serno);
494		exit(EXIT_SUCCESS);
495		}
496
#	Line 531 | Line 500 | main(int argc, char *argv[])
500		exit(EXIT_FAILURE);
501		}
502
503	<	init_ssl();
503	>	ssl_init();
504
505		if (!server_state.foreground)
506		{
#	Line 545 | Line 514 | main(int argc, char *argv[])
514
515		/* Init the event subsystem */
516		eventInit();
517	+
518		/* We need this to initialise the fd array before anything else */
519		fdlist_init();
520	<	log_add_file(LOG_TYPE_IRCD, 0, logFileName);
520	>	log_set_file(LOG_TYPE_IRCD, 0, logFileName);
521		check_can_use_v6();
522	<	init_comm();         /* This needs to be setup early ! -- adrian */
522	>	init_netio();         /* This needs to be setup early ! -- adrian */
523	>
524		/* Check if there is pidfile and daemon already running */
525		check_pidfile(pidFileName);
526
527		mp_pool_init();
528		init_dlink_nodes();
529	<	init_callbacks();
559	<	initialize_message_files();
529	>	init_isupport();
530		dbuf_init();
531	<	init_hash();
531	>	hash_init();
532		init_ip_hash_table();      /* client host ip hash table */
533		init_host_hash();          /* Host-hashtable. */
534	<	init_client();
534	>	client_init();
535		class_init();
536		whowas_init();
537		watch_init();
538	<	init_auth();          /* Initialise the auth code */
538	>	auth_init();          /* Initialise the auth code */
539		init_resolver();      /* Needs to be setup before the io loop */
540		modules_init();
541		read_conf_files(1);   /* cold start init conf files */
542		init_uid();
543		initialize_server_capabs();   /* Set up default_server_capabs */
544		initialize_global_set_options();
545	<	init_channels();
545	>	channel_init();
546	>	read_links_file();
547	>	motd_init();
548	>	#ifdef HAVE_LIBGEOIP
549	>	geoip_ctx = GeoIP_new(GEOIP_MEMORY_CACHE);
550	>	#endif
551
552		if (EmptyString(ServerInfo.sid))
553		{
#	Line 610 | Line 585 | main(int argc, char *argv[])
585
586		hash_add_id(&me);
587		hash_add_client(&me);
588	<
588	>
589		/* add ourselves to global_serv_list */
590		dlinkAdd(&me, make_dlink_node(), &global_serv_list);
591

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