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

Comparing:
ircd-hybrid-7.2/src/client.c (file contents), Revision 650 by michael, Thu Jun 8 07:00:17 2006 UTC vs.
ircd-hybrid/trunk/src/client.c (file contents), Revision 1636 by michael, Sun Nov 4 17:09:47 2012 UTC

#	Line 23 | Line 23
23		*/
24
25		#include "stdinc.h"
26	<	#include "tools.h"
26	>	#include "list.h"
27		#include "client.h"
28		#include "channel_mode.h"
29	–	#include "common.h"
29		#include "event.h"
30		#include "fdlist.h"
31		#include "hash.h"
32		#include "irc_string.h"
34	–	#include "sprintf_irc.h"
33		#include "ircd.h"
36	–	#include "list.h"
34		#include "s_gline.h"
35		#include "numeric.h"
36		#include "packet.h"
37		#include "s_auth.h"
38		#include "s_bsd.h"
39	<	#include "s_conf.h"
40	<	#include "s_log.h"
39	>	#include "conf.h"
40	>	#include "log.h"
41		#include "s_misc.h"
42		#include "s_serv.h"
43		#include "send.h"
#	Line 53 | Line 50
50		#include "listener.h"
51		#include "irc_res.h"
52		#include "userhost.h"
53	+	#include "watch.h"
54
55		dlink_list listing_client_list = { NULL, NULL, 0 };
56		/* Pointer to beginning of Client list */
#	Line 76 | Line 74 | static dlink_node *eac_next;  /* next ab
74
75		static void check_pings_list(dlink_list *);
76		static void check_unknowns_list(void);
77	<	static void ban_them(struct Client *client_p, struct ConfItem *conf);
77	>	static void ban_them(struct Client *, struct MaskItem *);
78
79
80		/* init_client()
#	Line 118 | Line 116 | make_client(struct Client *from)
116
117		if (from == NULL)
118		{
119	<	client_p->from  = client_p; /* 'from' of local client is self! */
120	<	client_p->since = client_p->lasttime = client_p->firsttime = CurrentTime;
121	<
122	<	client_p->localClient = BlockHeapAlloc(lclient_heap);
119	>	client_p->from                      = client_p; /* 'from' of local client is self! */
120	>	client_p->localClient               = BlockHeapAlloc(lclient_heap);
121	>	client_p->localClient->since        = CurrentTime;
122	>	client_p->localClient->lasttime     = CurrentTime;
123	>	client_p->localClient->firsttime    = CurrentTime;
124		client_p->localClient->registration = REG_INIT;
125	+
126		/* as good a place as any... */
127	<	dlinkAdd(client_p, make_dlink_node(), &unknown_list);
127	>	dlinkAdd(client_p, &client_p->localClient->lclient_node, &unknown_list);
128		}
129		else
130		client_p->from = from; /* 'from' of local client is self! */
131
132	+	client_p->idhnext = client_p;
133		client_p->hnext  = client_p;
134		client_p->status = STAT_UNKNOWN;
135		strcpy(client_p->username, "unknown");
136	+	strcpy(client_p->svid, "0");
137
138		return client_p;
139		}
#	Line 149 | Line 151 | free_client(struct Client *client_p)
151		assert(client_p != NULL);
152		assert(client_p != &me);
153		assert(client_p->hnext == client_p);
154	+	assert(client_p->idhnext == client_p);
155		assert(client_p->channel.head == NULL);
156		assert(dlink_list_length(&client_p->channel) == 0);
157	+	assert(dlink_list_length(&client_p->whowas) == 0);
158	+	assert(!IsServer(client_p) || IsServer(client_p) && client_p->serv);
159
155	–	MyFree(client_p->away);
160		MyFree(client_p->serv);
161
162		if (MyConnect(client_p))
163		{
164		assert(client_p->localClient->invited.head == NULL);
165		assert(dlink_list_length(&client_p->localClient->invited) == 0);
166	+	assert(dlink_list_length(&client_p->localClient->watches) == 0);
167		assert(IsClosing(client_p) && IsDead(client_p));
168
169		MyFree(client_p->localClient->response);
#	Line 246 | Line 251 | check_pings_list(dlink_list *list)
251		continue;
252		}
253
249	–	if (client_p->localClient->reject_delay > 0)
250	–	{
251	–	if (client_p->localClient->reject_delay <= CurrentTime)
252	–	exit_client(client_p, &me, "Rejected");
253	–	continue;
254	–	}
255	–
256	–	if (GlobalSetOptions.idletime && IsClient(client_p))
257	–	{
258	–	if (!IsExemptKline(client_p) && !IsOper(client_p) &&
259	–	!IsIdlelined(client_p) &&
260	–	((CurrentTime - client_p->localClient->last) > GlobalSetOptions.idletime))
261	–	{
262	–	struct ConfItem *conf;
263	–	struct AccessItem *aconf;
264	–
265	–	conf = make_conf_item(KLINE_TYPE);
266	–	aconf = (struct AccessItem *)map_to_conf(conf);
267	–
268	–	DupString(aconf->host, client_p->host);
269	–	DupString(aconf->reason, "idle exceeder");
270	–	DupString(aconf->user, client_p->username);
271	–	aconf->hold = CurrentTime + 60;
272	–	add_temp_line(conf);
273	–
274	–	sendto_realops_flags(UMODE_ALL, L_ALL,
275	–	"Idle time limit exceeded for %s - temp k-lining",
276	–	get_client_name(client_p, HIDE_IP));
277	–	exit_client(client_p, &me, aconf->reason);
278	–	continue;
279	–	}
280	–	}
281	–
254		if (!IsRegistered(client_p))
255		ping = CONNECTTIMEOUT, pingwarn = 0;
256		else
257	<	ping = get_client_ping(client_p, &pingwarn);
257	>	ping = get_client_ping(&client_p->localClient->confs, &pingwarn);
258
259	<	if (ping < CurrentTime - client_p->lasttime)
259	>	if (ping < CurrentTime - client_p->localClient->lasttime)
260		{
261		if (!IsPingSent(client_p))
262		{
#	Line 295 | Line 267 | check_pings_list(dlink_list *list)
267		*/
268		SetPingSent(client_p);
269		ClearPingWarning(client_p);
270	<	client_p->lasttime = CurrentTime - ping;
270	>	client_p->localClient->lasttime = CurrentTime - ping;
271		sendto_one(client_p, "PING :%s", ID_or_name(&me, client_p));
272		}
273		else
274		{
275	<	if (CurrentTime - client_p->lasttime >= 2 * ping)
275	>	if (CurrentTime - client_p->localClient->lasttime >= 2 * ping)
276		{
277		/*
278		* If the client/server hasn't talked to us in 2*ping seconds
#	Line 308 | Line 280 | check_pings_list(dlink_list *list)
280		*/
281		if (IsServer(client_p) || IsHandshake(client_p))
282		{
283	<	sendto_realops_flags(UMODE_ALL, L_ADMIN,
283	>	sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
284		"No response from %s, closing link",
285		get_client_name(client_p, HIDE_IP));
286	<	sendto_realops_flags(UMODE_ALL, L_OPER,
286	>	sendto_realops_flags(UMODE_ALL, L_OPER, SEND_NOTICE,
287		"No response from %s, closing link",
288		get_client_name(client_p, MASK_IP));
289	<	ilog(L_NOTICE, "No response from %s, closing link",
289	>	ilog(LOG_TYPE_IRCD, "No response from %s, closing link",
290		get_client_name(client_p, HIDE_IP));
291		}
292
293	<	ircsprintf(scratch, "Ping timeout: %d seconds",
294	<	(int)(CurrentTime - client_p->lasttime));
293	>	snprintf(scratch, sizeof(scratch), "Ping timeout: %d seconds",
294	>	(int)(CurrentTime - client_p->localClient->lasttime));
295		exit_client(client_p, &me, scratch);
296		}
297		else if (!IsPingWarning(client_p) && pingwarn > 0 &&
298		(IsServer(client_p) || IsHandshake(client_p)) &&
299	<	CurrentTime - client_p->lasttime >= ping + pingwarn)
299	>	CurrentTime - client_p->localClient->lasttime >= ping + pingwarn)
300		{
301		/*
302		* If the server hasn't replied in pingwarn seconds after sending
303		* the PING, notify the opers so that they are aware of the problem.
304		*/
305		SetPingWarning(client_p);
306	<	sendto_realops_flags(UMODE_ALL, L_ADMIN,
306	>	sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
307		"Warning, no response from %s in %d seconds",
308		get_client_name(client_p, HIDE_IP), pingwarn);
309	<	sendto_realops_flags(UMODE_ALL, L_OPER,
309	>	sendto_realops_flags(UMODE_ALL, L_OPER, SEND_NOTICE,
310		"Warning, no response from %s in %d seconds",
311		get_client_name(client_p, MASK_IP), pingwarn);
312	<	ilog(L_NOTICE, "No response from %s in %d seconds",
312	>	ilog(LOG_TYPE_IRCD, "No response from %s in %d seconds",
313		get_client_name(client_p, HIDE_IP), pingwarn);
314		}
315		}
#	Line 360 | Line 332 | check_unknowns_list(void)
332		{
333		struct Client *client_p = ptr->data;
334
363	–	if (client_p->localClient->reject_delay > 0)
364	–	{
365	–	if (client_p->localClient->reject_delay <= CurrentTime)
366	–	exit_client(client_p, &me, "Rejected");
367	–	continue;
368	–	}
369	–
335		/*
336		* Check UNKNOWN connections - if they have been in this state
337		* for > 30s, close them.
338		*/
339	<	if (IsAuthFinished(client_p) && (CurrentTime - client_p->firsttime) > 30)
339	>	if (IsAuthFinished(client_p) && (CurrentTime - client_p->localClient->firsttime) > 30)
340		exit_client(client_p, &me, "Registration timed out");
341		}
342		}
#	Line 387 | Line 352 | void
352		check_conf_klines(void)
353		{
354		struct Client *client_p = NULL;       /* current local client_p being examined */
355	<	struct AccessItem *aconf = NULL;
391	<	struct ConfItem *conf = NULL;
355	>	struct MaskItem *conf = NULL;
356		dlink_node *ptr, *next_ptr;
357
358		DLINK_FOREACH_SAFE(ptr, next_ptr, local_client_list.head)
#	Line 400 | Line 364 | check_conf_klines(void)
364		if (IsDead(client_p) || !IsClient(client_p))
365		continue;
366
367	<	/* if there is a returned struct ConfItem then kill it */
404	<	if ((aconf = find_dline_conf(&client_p->localClient->ip,
367	>	if ((conf = find_dline_conf(&client_p->localClient->ip,
368		client_p->localClient->aftype)) != NULL)
369		{
370	<	if (aconf->status & CONF_EXEMPTDLINE)
370	>	if (conf->type == CONF_EXEMPT)
371		continue;
372
410	–	conf = unmap_conf_item(aconf);
373		ban_them(client_p, conf);
374		continue; /* and go examine next fd/client_p */
375		}
376
377	<	if (ConfigFileEntry.glines && (aconf = find_gline(client_p)))
377	>	if (ConfigFileEntry.glines && (conf = find_gline(client_p)))
378		{
379		if (IsExemptKline(client_p) ||
380		IsExemptGline(client_p))
381		{
382	<	sendto_realops_flags(UMODE_ALL, L_ALL,
382	>	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
383		"GLINE over-ruled for %s, client is %sline_exempt",
384		get_client_name(client_p, HIDE_IP), IsExemptKline(client_p) ? "k" : "g");
385		continue;
386		}
387
426	–	conf = unmap_conf_item(aconf);
388		ban_them(client_p, conf);
389		/* and go examine next fd/client_p */
390		continue;
391		}
392
393	<	if ((aconf = find_kill(client_p)) != NULL)
393	>	if ((conf = find_kill(client_p)) != NULL)
394		{
434	–
435	–	/* if there is a returned struct AccessItem.. then kill it */
395		if (IsExemptKline(client_p))
396		{
397	<	sendto_realops_flags(UMODE_ALL, L_ALL,
397	>	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
398		"KLINE over-ruled for %s, client is kline_exempt",
399		get_client_name(client_p, HIDE_IP));
400		continue;
401		}
402
444	–	conf = unmap_conf_item(aconf);
403		ban_them(client_p, conf);
404		continue;
405		}
406
407	<	/* if there is a returned struct MatchItem then kill it */
450	<	if ((conf = find_matching_name_conf(XLINE_TYPE,  client_p->info,
407	>	if ((conf = find_matching_name_conf(CONF_XLINE,  client_p->info,
408		NULL, NULL, 0)) != NULL ||
409	<	(conf = find_matching_name_conf(RXLINE_TYPE, client_p->info,
409	>	(conf = find_matching_name_conf(CONF_RXLINE, client_p->info,
410		NULL, NULL, 0)) != NULL)
411		{
412		ban_them(client_p, conf);
#	Line 462 | Line 419 | check_conf_klines(void)
419		{
420		client_p = ptr->data;
421
422	<	if ((aconf = find_dline_conf(&client_p->localClient->ip,
423	<	client_p->localClient->aftype)))
422	>	if ((conf = find_dline_conf(&client_p->localClient->ip,
423	>	client_p->localClient->aftype)))
424		{
425	<	if (aconf->status & CONF_EXEMPTDLINE)
425	>	if (conf->type == CONF_EXEMPT)
426		continue;
427
428		exit_client(client_p, &me, "D-lined");
#	Line 477 | Line 434 | check_conf_klines(void)
434		* ban_them
435		*
436		* inputs       - pointer to client to ban
437	<	*              - pointer to ConfItem
437	>	*              - pointer to MaskItem
438		* output       - NONE
439		* side effects - given client_p is banned
440		*/
441		static void
442	<	ban_them(struct Client *client_p, struct ConfItem *conf)
442	>	ban_them(struct Client *client_p, struct MaskItem *conf)
443		{
444		const char *user_reason = NULL;       /* What is sent to user */
488	–	const char *channel_reason = NULL;    /* What is sent to channel */
489	–	struct AccessItem *aconf = NULL;
490	–	struct MatchItem *xconf = NULL;
445		const char *type_string = NULL;
446		const char dline_string[] = "D-line";
447		const char kline_string[] = "K-line";
#	Line 496 | Line 450 | ban_them(struct Client *client_p, struct
450
451		switch (conf->type)
452		{
453	<	case RKLINE_TYPE:
454	<	case KLINE_TYPE:
453	>	case CONF_RKLINE:
454	>	case CONF_KLINE:
455		type_string = kline_string;
502	–	aconf = map_to_conf(conf);
456		break;
457	<	case DLINE_TYPE:
457	>	case CONF_DLINE:
458		type_string = dline_string;
506	–	aconf = map_to_conf(conf);
459		break;
460	<	case GLINE_TYPE:
460	>	case CONF_GLINE:
461		type_string = gline_string;
510	–	aconf = map_to_conf(conf);
462		break;
463	<	case RXLINE_TYPE:
464	<	case XLINE_TYPE:
463	>	case CONF_RXLINE:
464	>	case CONF_XLINE:
465		type_string = xline_string;
466	<	xconf = map_to_conf(conf);
516	<	++xconf->count;
466	>	++conf->count;
467		break;
468		default:
469		assert(0);
470		break;
471		}
472
473	<	if (ConfigFileEntry.kline_with_reason)
524	<	{
525	<	if (aconf != NULL)
526	<	user_reason = aconf->reason ? aconf->reason : type_string;
527	<	if (xconf != NULL)
528	<	user_reason = xconf->reason ? xconf->reason : type_string;
529	<	}
530	<	else
531	<	user_reason = type_string;
532	<
533	<	if (ConfigFileEntry.kline_reason != NULL)
534	<	channel_reason = ConfigFileEntry.kline_reason;
535	<	else
536	<	channel_reason = user_reason;
473	>	user_reason = conf->reason ? conf->reason : type_string;
474
475	<	sendto_realops_flags(UMODE_ALL, L_ALL, "%s active for %s",
475	>	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE, "%s active for %s",
476		type_string, get_client_name(client_p, HIDE_IP));
477
478		if (IsClient(client_p))
479		sendto_one(client_p, form_str(ERR_YOUREBANNEDCREEP),
480		me.name, client_p->name, user_reason);
481
482	<	exit_client(client_p, &me, channel_reason);
482	>	exit_client(client_p, &me, user_reason);
483		}
484
485		/* update_client_exit_stats()
#	Line 554 | Line 491 | ban_them(struct Client *client_p, struct
491		static void
492		update_client_exit_stats(struct Client *client_p)
493		{
494	<	if (IsServer(client_p))
558	<	{
559	<	sendto_realops_flags(UMODE_EXTERNAL, L_ALL,
560	<	"Server %s split from %s",
561	<	client_p->name, client_p->servptr->name);
562	<	}
563	<	else if (IsClient(client_p))
494	>	if (IsClient(client_p))
495		{
496	+	assert(Count.total > 0);
497		--Count.total;
498	<	if (IsOper(client_p))
498	>	if (HasUMode(client_p, UMODE_OPER))
499		--Count.oper;
500	<	if (IsInvisible(client_p))
500	>	if (HasUMode(client_p, UMODE_INVISIBLE))
501		--Count.invisi;
502		}
503	+	else if (IsServer(client_p))
504	+	sendto_realops_flags(UMODE_EXTERNAL, L_ALL, SEND_NOTICE,
505	+	"Server %s split from %s",
506	+	client_p->name, client_p->servptr->name);
507
508		if (splitchecking && !splitmode)
509		check_splitmode(NULL);
#	Line 579 | Line 515 | update_client_exit_stats(struct Client *
515		* output       - return client pointer
516		* side effects - find person by (nick)name
517		*/
582	–	/* XXX - ugly wrapper */
518		struct Client *
519		find_person(const struct Client *client_p, const char *name)
520		{
521	<	struct Client *c2ptr;
521	>	struct Client *c2ptr = NULL;
522
523		if (IsDigit(*name))
524		{
525		if ((c2ptr = hash_find_id(name)) != NULL)
526		{
527		/* invisible users shall not be found by UID guessing */
528	<	if (IsInvisible(c2ptr) && !IsServer(client_p))
529	<	c2ptr = NULL;
528	>	if (HasUMode(c2ptr, UMODE_INVISIBLE))
529	>	if (!IsServer(client_p) && !HasFlag(client_p, FLAGS_SERVICE))
530	>	c2ptr = NULL;
531		}
532		}
533		else
534	<	c2ptr = find_client(name);
534	>	c2ptr = hash_find_client(name);
535
536		return ((c2ptr != NULL && IsClient(c2ptr)) ? c2ptr : NULL);
537		}
#	Line 615 | Line 551 | find_chasing(struct Client *client_p, st
551		*chasing = 0;
552
553		if (who)
554	<	return(who);
554	>	return who;
555
556		if (IsDigit(*user))
557	<	return(NULL);
557	>	return NULL;
558
559		if ((who = get_history(user,
560		(time_t)ConfigFileEntry.kill_chase_time_limit))
#	Line 626 | Line 562 | find_chasing(struct Client *client_p, st
562		{
563		sendto_one(source_p, form_str(ERR_NOSUCHNICK),
564		me.name, source_p->name, user);
565	<	return(NULL);
565	>	return NULL;
566		}
567
568		if (chasing)
569		*chasing = 1;
570
571	<	return(who);
571	>	return who;
572		}
573
574		/*
#	Line 654 | Line 590 | find_chasing(struct Client *client_p, st
590		*        to modify what it points!!!
591		*/
592		const char *
593	<	get_client_name(struct Client *client, int showip)
593	>	get_client_name(const struct Client *client, enum addr_mask_type type)
594		{
595		static char nbuf[HOSTLEN * 2 + USERLEN + 5];
596
597		assert(client != NULL);
598
599	<	if (irccmp(client->name, client->host) == 0)
600	<	return(client->name);
599	>	if (!MyConnect(client))
600	>	return client->name;
601
602	<	if (ConfigServerHide.hide_server_ips)
603	<	if (IsServer(client) || IsConnecting(client) || IsHandshake(client))
604	<	showip = MASK_IP;
602	>	if (IsServer(client) || IsConnecting(client) || IsHandshake(client))
603	>	{
604	>	if (!irccmp(client->name, client->host))
605	>	return client->name;
606	>	else if (ConfigServerHide.hide_server_ips)
607	>	type = MASK_IP;
608	>	}
609
610		if (ConfigFileEntry.hide_spoof_ips)
611	<	if (showip == SHOW_IP && IsIPSpoof(client))
612	<	showip = MASK_IP;
611	>	if (type == SHOW_IP && IsIPSpoof(client))
612	>	type = MASK_IP;
613
614		/* And finally, let's get the host information, ip or name */
615	<	switch (showip)
615	>	switch (type)
616		{
617		case SHOW_IP:
618	<	if (MyConnect(client))
619	<	{
620	<	ircsprintf(nbuf, "%s[%s@%s]", client->name, client->username,
621	<	client->sockhost);
682	<	break;
683	<	}
618	>	snprintf(nbuf, sizeof(nbuf), "%s[%s@%s]",
619	>	client->name,
620	>	client->username, client->sockhost);
621	>	break;
622		case MASK_IP:
623	<	ircsprintf(nbuf, "%s[%s@255.255.255.255]", client->name,
624	<	client->username);
623	>	if (client->localClient->aftype == AF_INET)
624	>	snprintf(nbuf, sizeof(nbuf), "%s[%s@255.255.255.255]",
625	>	client->name, client->username);
626	>	else
627	>	snprintf(nbuf, sizeof(nbuf), "%s[%s@ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff]",
628	>	client->name, client->username);
629		break;
630		default:
631	<	ircsprintf(nbuf, "%s[%s@%s]", client->name, client->username,
632	<	client->host);
631	>	snprintf(nbuf, sizeof(nbuf), "%s[%s@%s]",
632	>	client->name,
633	>	client->username, client->host);
634		}
635
636	<	return(nbuf);
636	>	return nbuf;
637		}
638
639		void
640		free_exited_clients(void)
641		{
642	<	dlink_node *ptr, *next;
700	<	struct Client *target_p;
642	>	dlink_node *ptr = NULL, *next = NULL;
643
644		DLINK_FOREACH_SAFE(ptr, next, dead_list.head)
645		{
646	<	target_p = ptr->data;
705	<
706	<	if (ptr->data == NULL)
707	<	{
708	<	sendto_realops_flags(UMODE_ALL, L_ALL,
709	<	"Warning: null client on dead_list!");
710	<	dlinkDelete(ptr, &dead_list);
711	<	free_dlink_node(ptr);
712	<	continue;
713	<	}
714	<
715	<	free_client(target_p);
646	>	free_client(ptr->data);
647		dlinkDelete(ptr, &dead_list);
648		free_dlink_node(ptr);
649		}
#	Line 731 | Line 662 | exit_one_client(struct Client *source_p,
662
663		assert(!IsMe(source_p));
664
665	<	if (IsServer(source_p))
735	<	{
736	<	dlinkDelete(&source_p->lnode, &source_p->servptr->serv->servers);
737	<
738	<	if ((lp = dlinkFindDelete(&global_serv_list, source_p)) != NULL)
739	<	free_dlink_node(lp);
740	<
741	<	if (!MyConnect(source_p))
742	<	{
743	<	source_p->from->serv->dep_servers--;
744	<	assert(source_p->from->serv->dep_servers > 0);
745	<	}
746	<	}
747	<	else if (IsClient(source_p))
665	>	if (IsClient(source_p))
666		{
667		if (source_p->servptr->serv != NULL)
668	<	dlinkDelete(&source_p->lnode, &source_p->servptr->serv->users);
668	>	dlinkDelete(&source_p->lnode, &source_p->servptr->serv->client_list);
669
670	<	/* If a person is on a channel, send a QUIT notice
671	<	** to every client (person) on the same channel (so
672	<	** that the client can show the "**signoff" message).
673	<	** (Note: The notice is to the local clients *only*)
674	<	*/
670	>	/*
671	>	* If a person is on a channel, send a QUIT notice
672	>	* to every client (person) on the same channel (so
673	>	* that the client can show the "**signoff" message).
674	>	* (Note: The notice is to the local clients *only*)
675	>	*/
676		sendto_common_channels_local(source_p, 0, ":%s!%s@%s QUIT :%s",
677		source_p->name, source_p->username,
678		source_p->host, quitmsg);
679		DLINK_FOREACH_SAFE(lp, next_lp, source_p->channel.head)
680		remove_user_from_channel(lp->data);
681
763	–	/* Clean up allow lists */
764	–	del_all_accepts(source_p);
682		add_history(source_p, 0);
683		off_history(source_p);
684
685	<	if (!MyConnect(source_p))
686	<	{
687	<	source_p->from->serv->dep_users--;
771	<	assert(source_p->from->serv->dep_users >= 0);
772	<	}
773	<	else
685	>	watch_check_hash(source_p, RPL_LOGOFF);
686	>
687	>	if (MyConnect(source_p))
688		{
689		/* Clean up invitefield */
690		DLINK_FOREACH_SAFE(lp, next_lp, source_p->localClient->invited.head)
691		del_invite(lp->data, source_p);
692	+
693	+	del_all_accepts(source_p);
694		}
695		}
696	+	else if (IsServer(source_p))
697	+	{
698	+	dlinkDelete(&source_p->lnode, &source_p->servptr->serv->server_list);
699	+
700	+	if ((lp = dlinkFindDelete(&global_serv_list, source_p)) != NULL)
701	+	free_dlink_node(lp);
702	+	}
703
704		/* Remove source_p from the client lists */
705		if (HasID(source_p))
#	Line 816 | Line 739 | exit_one_client(struct Client *source_p,
739		static void
740		recurse_send_quits(struct Client *original_source_p, struct Client *source_p,
741		struct Client *from, struct Client *to, const char *comment,
742	<	const char *splitstr, const char *myname)
742	>	const char *splitstr)
743		{
744		dlink_node *ptr, *next;
745		struct Client *target_p;
823	–	int hidden = match(myname, source_p->name);
746
747		assert(to != source_p);  /* should be already removed from serv_list */
748
749		/* If this server can handle quit storm (QS) removal
750		* of dependents, just send the SQUIT
829	–	*
830	–	* Always check *all* dependent servers if some of them are
831	–	* hidden behind fakename. If so, send out the QUITs -adx
751		*/
752	<	if (hidden || !IsCapable(to, CAP_QS))
753	<	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->users.head)
752	>	if (!IsCapable(to, CAP_QS))
753	>	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->client_list.head)
754		{
755		target_p = ptr->data;
756		sendto_one(to, ":%s QUIT :%s", target_p->name, splitstr);
757		}
758
759	<	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->servers.head)
759	>	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->server_list.head)
760		recurse_send_quits(original_source_p, ptr->data, from, to,
761	<	comment, splitstr, myname);
761	>	comment, splitstr);
762
763	<	if (!hidden && ((source_p == original_source_p && to != from) ||
764	<	!IsCapable(to, CAP_QS)))
763	>	if ((source_p == original_source_p && to != from) ||
764	>	!IsCapable(to, CAP_QS))
765		{
766		/* don't use a prefix here - we have to be 100% sure the message
767		* will be accepted without Unknown prefix etc.. */
#	Line 861 | Line 780 | recurse_remove_clients(struct Client *so
780		{
781		dlink_node *ptr, *next;
782
783	<	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->users.head)
783	>	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->client_list.head)
784		exit_one_client(ptr->data, quitmsg);
785
786	<	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->servers.head)
786	>	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->server_list.head)
787		{
788		recurse_remove_clients(ptr->data, quitmsg);
789		exit_one_client(ptr->data, quitmsg);
790		}
872	–
873	–	assert(source_p->serv->dep_servers == 1);
874	–	assert(source_p->serv->dep_users == 0);
791		}
792
793		/*
#	Line 883 | Line 799 | static void
799		remove_dependents(struct Client *source_p, struct Client *from,
800		const char *comment, const char *splitstr)
801		{
802	<	struct Client *to;
887	<	struct ConfItem *conf;
888	<	static char myname[HOSTLEN+1];
889	<	dlink_node *ptr;
802	>	dlink_node *ptr = NULL;
803
804		DLINK_FOREACH(ptr, serv_list.head)
805	<	{
806	<	to = ptr->data;
894	<
895	<	if ((conf = to->serv->sconf) != NULL)
896	<	strlcpy(myname, my_name_for_link(conf), sizeof(myname));
897	<	else
898	<	strlcpy(myname, me.name, sizeof(myname));
899	<	recurse_send_quits(source_p, source_p, from, to,
900	<	comment, splitstr, myname);
901	<	}
805	>	recurse_send_quits(source_p, source_p, from, ptr->data,
806	>	comment, splitstr);
807
808		recurse_remove_clients(source_p, splitstr);
809		}
#	Line 908 | Line 813 | remove_dependents(struct Client *source_
813		* this on any struct Client, regardless of its state.
814		*
815		* Note, you shouldn't exit remote _users_ without first doing
816	<	* SetKilled and propagating a kill or similar message. However,
817	<	* it is perfectly correct to call exit_client to force a _server_
816	>	* AddFlag(x, FLAGS_KILLED) and propagating a kill or similar message.
817	>	* However, it is perfectly correct to call exit_client to force a _server_
818		* quit (either local or remote one).
819		*
820		* inputs:       - a client pointer that is going to be exited
#	Line 924 | Line 829 | remove_dependents(struct Client *source_
829		void
830		exit_client(struct Client *source_p, struct Client *from, const char *comment)
831		{
832	<	dlink_node *m;
832	>	dlink_node *m = NULL;
833
834		if (MyConnect(source_p))
835		{
#	Line 939 | Line 844 | exit_client(struct Client *source_p, str
844		if (IsIpHash(source_p))
845		remove_one_ip(&source_p->localClient->ip);
846
847	<	delete_auth(source_p);
847	>	if (source_p->localClient->auth)
848	>	{
849	>	delete_auth(source_p->localClient->auth);
850	>	source_p->localClient->auth = NULL;
851	>	}
852
853	<	/* This source_p could have status of one of STAT_UNKNOWN, STAT_CONNECTING
853	>	/*
854	>	* This source_p could have status of one of STAT_UNKNOWN, STAT_CONNECTING
855		* STAT_HANDSHAKE or STAT_UNKNOWN
856		* all of which are lumped together into unknown_list
857		*
#	Line 949 | Line 859 | exit_client(struct Client *source_p, str
859		*/
860		if (!IsRegistered(source_p))
861		{
862	<	if ((m = dlinkFindDelete(&unknown_list, source_p)) != NULL)
863	<	free_dlink_node(m);
862	>	assert(dlinkFind(&unknown_list, source_p));
863	>
864	>	dlinkDelete(&source_p->localClient->lclient_node, &unknown_list);
865		}
866		else if (IsClient(source_p))
867		{
868	+	time_t on_for = CurrentTime - source_p->localClient->firsttime;
869	+	assert(Count.local > 0);
870		Count.local--;
871
872	<	if (IsOper(source_p))
960	<	{
872	>	if (HasUMode(source_p, UMODE_OPER))
873		if ((m = dlinkFindDelete(&oper_list, source_p)) != NULL)
874		free_dlink_node(m);
963	–	}
875
876	+	assert(dlinkFind(&local_client_list, source_p));
877		dlinkDelete(&source_p->localClient->lclient_node, &local_client_list);
878	+
879		if (source_p->localClient->list_task != NULL)
880		free_list_task(source_p->localClient->list_task, source_p);
881
882	<	sendto_realops_flags(UMODE_CCONN, L_ALL, "Client exiting: %s (%s@%s) [%s] [%s]",
882	>	watch_del_watch_list(source_p);
883	>	sendto_realops_flags(UMODE_CCONN, L_ALL, SEND_NOTICE,
884	>	"Client exiting: %s (%s@%s) [%s] [%s]",
885		source_p->name, source_p->username, source_p->host, comment,
886		ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
887		"255.255.255.255" : source_p->sockhost);
888	+	sendto_realops_flags(UMODE_CCONN_FULL, L_ALL, SEND_NOTICE,
889	+	"CLIEXIT: %s %s %s %s 0 %s",
890	+	source_p->name,
891	+	source_p->username,
892	+	source_p->host,
893	+	ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
894	+	"255.255.255.255" : source_p->sockhost,
895	+	comment);
896	+	ilog(LOG_TYPE_USER, "%s (%3u:%02u:%02u): %s!%s@%s %llu/%llu",
897	+	myctime(source_p->localClient->firsttime), (unsigned int)(on_for / 3600),
898	+	(unsigned int)((on_for % 3600)/60), (unsigned int)(on_for % 60),
899	+	source_p->name, source_p->username, source_p->host,
900	+	source_p->localClient->send.bytes>>10,
901	+	source_p->localClient->recv.bytes>>10);
902	+	}
903	+	else if (IsServer(source_p))
904	+	{
905	+	assert(Count.myserver > 0);
906	+	--Count.myserver;
907	+
908	+	assert(dlinkFind(&serv_list, source_p));
909	+	dlinkDelete(&source_p->localClient->lclient_node, &serv_list);
910	+	unset_chcap_usage_counts(source_p);
911		}
912
975	–	/* As soon as a client is known to be a server of some sort
976	–	* it has to be put on the serv_list, or SJOIN's to this new server
977	–	* from the connect burst will not be seen.
978	–	*/
979	–	if (IsServer(source_p) || IsConnecting(source_p) ||
980	–	IsHandshake(source_p))
981	–	{
982	–	if ((m = dlinkFindDelete(&serv_list, source_p)) != NULL)
983	–	{
984	–	free_dlink_node(m);
985	–	unset_chcap_usage_counts(source_p);
986	–	}
987	–
988	–	if (IsServer(source_p))
989	–	{
990	–	Count.myserver--;
991	–	if (ServerInfo.hub)
992	–	remove_lazylink_flags(source_p->localClient->serverMask);
993	–	else
994	–	uplink = NULL;
995	–	}
996	–	}
997	–
998	–	log_user_exit(source_p);
999	–
913		if (!IsDead(source_p))
914		{
915		if (IsServer(source_p))
#	Line 1032 | Line 945 | exit_client(struct Client *source_p, str
945		assert(source_p->serv != NULL && source_p->servptr != NULL);
946
947		if (ConfigServerHide.hide_servers)
948	<	/* set netsplit message to "*.net *.split" to still show
948	>	/*
949	>	* Set netsplit message to "*.net *.split" to still show
950		* that its a split, but hide the servers splitting
951		*/
952		strcpy(splitstr, "*.net *.split");
#	Line 1044 | Line 958 | exit_client(struct Client *source_p, str
958
959		if (source_p->servptr == &me)
960		{
961	<	sendto_realops_flags(UMODE_ALL, L_ALL,
961	>	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
962		"%s was connected for %d seconds.  %llu/%llu sendK/recvK.",
963	<	source_p->name, (int)(CurrentTime - source_p->firsttime),
963	>	source_p->name, (int)(CurrentTime - source_p->localClient->firsttime),
964		source_p->localClient->send.bytes >> 10,
965		source_p->localClient->recv.bytes >> 10);
966	<	ilog(L_NOTICE, "%s was connected for %d seconds.  %llu/%llu sendK/recvK.",
967	<	source_p->name, (int)(CurrentTime - source_p->firsttime),
966	>	ilog(LOG_TYPE_IRCD, "%s was connected for %d seconds.  %llu/%llu sendK/recvK.",
967	>	source_p->name, (int)(CurrentTime - source_p->localClient->firsttime),
968		source_p->localClient->send.bytes >> 10,
969		source_p->localClient->recv.bytes >> 10);
970		}
971		}
972	<	else if (IsClient(source_p) && !IsKilled(source_p))
972	>	else if (IsClient(source_p) && !HasFlag(source_p, FLAGS_KILLED))
973		{
974	<	sendto_server(from->from, source_p, NULL, CAP_TS6, NOCAPS, NOFLAGS,
974	>	sendto_server(from->from, CAP_TS6, NOCAPS,
975		":%s QUIT :%s", ID(source_p), comment);
976	<	sendto_server(from->from, source_p, NULL, NOCAPS, CAP_TS6, NOFLAGS,
976	>	sendto_server(from->from, NOCAPS, CAP_TS6,
977		":%s QUIT :%s", source_p->name, comment);
978		}
979
#	Line 1118 | Line 1032 | dead_link_on_read(struct Client *client_
1032
1033		if (IsServer(client_p) || IsHandshake(client_p))
1034		{
1035	<	int connected = CurrentTime - client_p->firsttime;
1035	>	int connected = CurrentTime - client_p->localClient->firsttime;
1036
1037		if (error == 0)
1038		{
1039		/* Admins get the real IP */
1040	<	sendto_realops_flags(UMODE_ALL, L_ADMIN,
1040	>	sendto_realops_flags(UMODE_ALL, L_ADMIN, SEND_NOTICE,
1041		"Server %s closed the connection",
1042		get_client_name(client_p, SHOW_IP));
1043
1044		/* Opers get a masked IP */
1045	<	sendto_realops_flags(UMODE_ALL, L_OPER,
1045	>	sendto_realops_flags(UMODE_ALL, L_OPER, SEND_NOTICE,
1046		"Server %s closed the connection",
1047		get_client_name(client_p, MASK_IP));
1048
1049	<	ilog(L_NOTICE, "Server %s closed the connection",
1049	>	ilog(LOG_TYPE_IRCD, "Server %s closed the connection",
1050		get_client_name(client_p, SHOW_IP));
1051		}
1052		else
#	Line 1143 | Line 1057 | dead_link_on_read(struct Client *client_
1057		get_client_name(client_p, MASK_IP), current_error);
1058		}
1059
1060	<	sendto_realops_flags(UMODE_ALL, L_ALL,
1060	>	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1061		"%s had been connected for %d day%s, %2d:%02d:%02d",
1062		client_p->name, connected/86400,
1063		(connected/86400 == 1) ? "" : "s",
#	Line 1155 | Line 1069 | dead_link_on_read(struct Client *client_
1069		strlcpy(errmsg, "Remote host closed the connection",
1070		sizeof(errmsg));
1071		else
1072	<	ircsprintf(errmsg, "Read error: %s",
1073	<	strerror(current_error));
1072	>	snprintf(errmsg, sizeof(errmsg), "Read error: %s",
1073	>	strerror(current_error));
1074
1075		exit_client(client_p, &me, errmsg);
1076		}
#	Line 1175 | Line 1089 | exit_aborted_clients(void)
1089
1090		if (target_p == NULL)
1091		{
1092	<	sendto_realops_flags(UMODE_ALL, L_ALL,
1092	>	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
1093		"Warning: null client on abort_list!");
1094		dlinkDelete(ptr, &abort_list);
1095		free_dlink_node(ptr);
#	Line 1196 | Line 1110 | exit_aborted_clients(void)
1110
1111		/*
1112		* accept processing, this adds a form of "caller ID" to ircd
1113	<	*
1113	>	*
1114		* If a client puts themselves into "caller ID only" mode,
1115	<	* only clients that match a client pointer they have put on
1115	>	* only clients that match a client pointer they have put on
1116		* the accept list will be allowed to message them.
1117		*
1118	<	* [ source.on_allow_list ] -> [ target1 ] -> [ target2 ]
1205	<	*
1206	<	* [target.allow_list] -> [ source1 ] -> [source2 ]
1207	<	*
1208	<	* i.e. a target will have a link list of source pointers it will allow
1209	<	* each source client then has a back pointer pointing back
1210	<	* to the client that has it on its accept list.
1211	<	* This allows for exit_one_client to remove these now bogus entries
1212	<	* from any client having an accept on them.
1118	>	* Diane Bruce, "Dianora" db@db.net
1119		*/
1120
1121	<	/* accept_message()
1122	<	*
1217	<	* inputs       - pointer to source client
1218	<	*              - pointer to target client
1219	<	* output       - 1 if accept this message 0 if not
1220	<	* side effects - See if source is on target's allow list
1221	<	*/
1222	<	int
1223	<	accept_message(struct Client *source, struct Client *target)
1121	>	void
1122	>	del_accept(struct split_nuh_item *accept_p, struct Client *client_p)
1123		{
1124	<	dlink_node *ptr;
1226	<
1227	<	DLINK_FOREACH(ptr, target->allow_list.head)
1228	<	{
1229	<	struct Client *target_p = ptr->data;
1124	>	dlinkDelete(&accept_p->node, &client_p->localClient->acceptlist);
1125
1126	<	if (source == target_p)
1127	<	return (1);
1128	<	}
1129	<
1235	<	if (IsSoftCallerId(target))
1236	<	{
1237	<	DLINK_FOREACH(ptr, target->channel.head)
1238	<	if (IsMember(source, ((struct Membership *)ptr->data)->chptr))
1239	<	return (1);
1240	<	}
1241	<
1242	<	return (0);
1126	>	MyFree(accept_p->nickptr);
1127	>	MyFree(accept_p->userptr);
1128	>	MyFree(accept_p->hostptr);
1129	>	MyFree(accept_p);
1130		}
1131
1132	<	/* del_from_accept()
1133	<	*
1134	<	* inputs       - pointer to source client
1248	<	*              - pointer to target client
1249	<	* output       - NONE
1250	<	* side effects - Delete's source pointer to targets allow list
1251	<	*
1252	<	* Walk through the target's accept list, remove if source is found,
1253	<	* Then walk through the source's on_accept_list remove target if found.
1254	<	*/
1255	<	void
1256	<	del_from_accept(struct Client *source, struct Client *target)
1132	>	struct split_nuh_item *
1133	>	find_accept(const char *nick, const char *user,
1134	>	const char *host, struct Client *client_p, int do_match)
1135		{
1136	<	dlink_node *ptr;
1137	<	dlink_node *ptr2;
1138	<	dlink_node *next_ptr;
1261	<	dlink_node *next_ptr2;
1262	<	struct Client *target_p;
1136	>	dlink_node *ptr = NULL;
1137	>	/* XXX We wouldn't need that if match() would return 0 on match */
1138	>	int (*cmpfunc)(const char *, const char *) = do_match ? match : irccmp;
1139
1140	<	DLINK_FOREACH_SAFE(ptr, next_ptr, target->allow_list.head)
1140	>	DLINK_FOREACH(ptr, client_p->localClient->acceptlist.head)
1141		{
1142	<	target_p = ptr->data;
1267	<
1268	<	if (source == target_p)
1269	<	{
1270	<	dlinkDelete(ptr, &target->allow_list);
1271	<	free_dlink_node(ptr);
1142	>	struct split_nuh_item *accept_p = ptr->data;
1143
1144	<	DLINK_FOREACH_SAFE(ptr2, next_ptr2, source->on_allow_list.head)
1145	<	{
1146	<	target_p = ptr2->data;
1147	<
1277	<	if (target == target_p)
1278	<	{
1279	<	dlinkDelete(ptr2, &source->on_allow_list);
1280	<	free_dlink_node(ptr2);
1281	<	}
1282	<	}
1283	<	}
1144	>	if (cmpfunc(accept_p->nickptr, nick) == do_match &&
1145	>	cmpfunc(accept_p->userptr, user) == do_match &&
1146	>	cmpfunc(accept_p->hostptr, host) == do_match)
1147	>	return accept_p;
1148		}
1285	–	}
1286	–
1287	–	/* del_all_accepts()
1288	–	*
1289	–	* inputs       - pointer to exiting client
1290	–	* output       - NONE
1291	–	* side effects - Walk through given clients allow_list and on_allow_list
1292	–	*                remove all references to this client
1293	–	*/
1294	–	void
1295	–	del_all_accepts(struct Client *client_p)
1296	–	{
1297	–	dlink_node *ptr, *next_ptr;
1298	–
1299	–	DLINK_FOREACH_SAFE(ptr, next_ptr, client_p->allow_list.head)
1300	–	del_from_accept(ptr->data, client_p);
1149
1150	<	DLINK_FOREACH_SAFE(ptr, next_ptr, client_p->on_allow_list.head)
1303	<	del_from_accept(client_p, ptr->data);
1150	>	return NULL;
1151		}
1152
1153	<	/* del_all_their_accepts()
1307	<	*
1308	<	* inputs       - pointer to exiting client
1309	<	* output       - NONE
1310	<	* side effects - Walk through given clients on_allow_list
1311	<	*                remove all references to this client,
1312	<	*                allow this client to keep their own allow_list
1313	<	*/
1314	<	void
1315	<	del_all_their_accepts(struct Client *client_p)
1316	<	{
1317	<	dlink_node *ptr, *next_ptr;
1318	<
1319	<	DLINK_FOREACH_SAFE(ptr, next_ptr, client_p->on_allow_list.head)
1320	<	del_from_accept(client_p, ptr->data);
1321	<	}
1322	<
1323	<	/* set_initial_nick()
1324	<	*
1325	<	* inputs
1326	<	* output
1327	<	* side effects -
1153	>	/* accept_message()
1154		*
1155	<	* This function is only called to set up an initially registering
1156	<	* client.
1155	>	* inputs       - pointer to source client
1156	>	*              - pointer to target client
1157	>	* output       - 1 if accept this message 0 if not
1158	>	* side effects - See if source is on target's allow list
1159		*/
1160	<	void
1161	<	set_initial_nick(struct Client *client_p, struct Client *source_p,
1162	<	const char *nick)
1160	>	int
1161	>	accept_message(struct Client *source,
1162	>	struct Client *target)
1163		{
1164	<	char buf[USERLEN + 1];
1337	<
1338	<	/* Client setting NICK the first time */
1339	<
1340	<	/* This had to be copied here to avoid problems.. */
1341	<	source_p->tsinfo = CurrentTime;
1342	<	source_p->localClient->registration &= ~REG_NEED_NICK;
1164	>	dlink_node *ptr = NULL;
1165
1166	<	if (source_p->name[0])
1167	<	hash_del_client(source_p);
1166	>	if (source == target || find_accept(source->name, source->username,
1167	>	source->host, target, 1))
1168	>	return 1;
1169
1170	<	strlcpy(source_p->name, nick, sizeof(source_p->name));
1171	<	hash_add_client(source_p);
1172	<
1173	<	/* fd_desc is long enough */
1351	<	fd_note(&client_p->localClient->fd, "Nick: %s", nick);
1352	<
1353	<	/* They have the nick they want now.. */
1354	<	client_p->llname[0] = '\0';
1355	<
1356	<	if (!source_p->localClient->registration)
1357	<	{
1358	<	strlcpy(buf, source_p->username, sizeof(buf));
1170	>	if (HasUMode(target, UMODE_SOFTCALLERID))
1171	>	DLINK_FOREACH(ptr, target->channel.head)
1172	>	if (IsMember(source, ((struct Membership *)ptr->data)->chptr))
1173	>	return 1;
1174
1175	<	/*
1361	<	* USER already received, now we have NICK.
1362	<	* *NOTE* For servers "NICK" *must* precede the
1363	<	* user message (giving USER before NICK is possible
1364	<	* only for local client connection!). register_user
1365	<	* may reject the client and call exit_client for it
1366	<	* --must test this and exit m_nick too!!!
1367	<	*/
1368	<	register_local_user(client_p, source_p, nick, buf);
1369	<	}
1175	>	return 0;
1176		}
1177
1178	<	/* change_local_nick()
1178	>	/* del_all_accepts()
1179		*
1180	<	* inputs       - pointer to server
1181	<	*              - pointer to client
1182	<	*              - nick
1377	<	* output       -
1378	<	* side effects - changes nick of a LOCAL user
1180	>	* inputs       - pointer to exiting client
1181	>	* output       - NONE
1182	>	* side effects - Walk through given clients acceptlist and remove all entries
1183		*/
1184		void
1185	<	change_local_nick(struct Client *client_p, struct Client *source_p, const char *nick)
1185	>	del_all_accepts(struct Client *client_p)
1186		{
1187	<	/*
1384	<	** Client just changing his/her nick. If he/she is
1385	<	** on a channel, send note of change to all clients
1386	<	** on that channel. Propagate notice to other servers.
1387	<	*/
1388	<	if ((source_p->localClient->last_nick_change +
1389	<	ConfigFileEntry.max_nick_time) < CurrentTime)
1390	<	source_p->localClient->number_of_nick_changes = 0;
1391	<	source_p->localClient->last_nick_change = CurrentTime;
1392	<	source_p->localClient->number_of_nick_changes++;
1393	<
1394	<	if ((ConfigFileEntry.anti_nick_flood &&
1395	<	(source_p->localClient->number_of_nick_changes
1396	<	<= ConfigFileEntry.max_nick_changes)) ||
1397	<	!ConfigFileEntry.anti_nick_flood ||
1398	<	(IsOper(source_p) && ConfigFileEntry.no_oper_flood))
1399	<	{
1400	<	if (irccmp(source_p->name, nick))
1401	<	source_p->tsinfo = CurrentTime;
1402	<
1403	<	/* XXX - the format of this notice should eventually be changed
1404	<	* to either %s[%s@%s], or even better would be get_client_name() -bill
1405	<	*/
1406	<	sendto_realops_flags(UMODE_NCHANGE, L_ALL, "Nick change: From %s to %s [%s@%s]",
1407	<	source_p->name, nick, source_p->username, source_p->host);
1408	<	sendto_common_channels_local(source_p, 1, ":%s!%s@%s NICK :%s",
1409	<	source_p->name, source_p->username,
1410	<	source_p->host, nick);
1411	<
1412	<	add_history(source_p, 1);
1413	<
1414	<	/* Only hubs care about lazy link nicks not being sent on yet
1415	<	* lazylink leafs/leafs always send their nicks up to hub,
1416	<	* hence must always propagate nick changes.
1417	<	* hubs might not propagate a nick change, if the leaf
1418	<	* does not know about that client yet.
1419	<	*/
1420	<	sendto_server(client_p, source_p, NULL, CAP_TS6, NOCAPS, NOFLAGS,
1421	<	":%s NICK %s :%lu",
1422	<	ID(source_p), nick, (unsigned long)source_p->tsinfo);
1423	<	sendto_server(client_p, source_p, NULL, NOCAPS, CAP_TS6, NOFLAGS,
1424	<	":%s NICK %s :%lu",
1425	<	source_p->name, nick, (unsigned long)source_p->tsinfo);
1426	<	}
1427	<	else
1428	<	{
1429	<	sendto_one(source_p, form_str(ERR_NICKTOOFAST),
1430	<	me.name, source_p->name, source_p->name,
1431	<	nick, ConfigFileEntry.max_nick_time);
1432	<	return;
1433	<	}
1434	<
1435	<	/* Finally, add to hash */
1436	<	if (source_p->name[0])
1437	<	hash_del_client(source_p);
1438	<
1439	<	strcpy(source_p->name, nick);
1440	<	hash_add_client(source_p);
1441	<
1442	<	/* Make sure everyone that has this client on its accept list
1443	<	* loses that reference.
1444	<	*/
1445	<	del_all_their_accepts(source_p);
1187	>	dlink_node *ptr = NULL, *next_ptr = NULL;
1188
1189	<	/* fd_desc is long enough */
1190	<	fd_note(&client_p->localClient->fd, "Nick: %s", nick);
1189	>	DLINK_FOREACH_SAFE(ptr, next_ptr, client_p->localClient->acceptlist.head)
1190	>	del_accept(ptr->data, client_p);
1191		}

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