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

Comparing ircd-hybrid/trunk/src/client.c (file contents):
Revision 2185 by michael, Tue Jun 4 12:29:18 2013 UTC vs.
Revision 3247 by michael, Sun Mar 30 17:54:34 2014 UTC

#	Line 1 | Line 1
1		/*
2	<	*  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
3	<	*  client.c: Controls clients.
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 client.c
23	>	* \brief Controls clients.
24	>	* \version $Id$
25		*/
26
27		#include "stdinc.h"
#	Line 52 | Line 54
54		#include "userhost.h"
55		#include "watch.h"
56		#include "rng_mt.h"
57	+	#include "parse.h"
58
59		dlink_list listing_client_list = { NULL, NULL, 0 };
60		/* Pointer to beginning of Client list */
#	Line 75 | Line 78 | static dlink_node *eac_next;  /* next ab
78
79		static void check_pings_list(dlink_list *);
80		static void check_unknowns_list(void);
78	–	static void ban_them(struct Client *, struct MaskItem *);
81
82
83		/* client_init()
#	Line 117 | Line 119 | make_client(struct Client *from)
119
120		memset(client_p, 0, sizeof(*client_p));
121
122	<	if (from == NULL)
122	>	if (!from)
123		{
124		client_p->from                      = client_p; /* 'from' of local client is self! */
125		client_p->localClient               = mp_pool_get(lclient_pool);
#	Line 137 | Line 139 | make_client(struct Client *from)
139
140		client_p->idhnext = client_p;
141		client_p->hnext  = client_p;
142	<	client_p->status = STAT_UNKNOWN;
142	>	SetUnknown(client_p);
143		strcpy(client_p->username, "unknown");
144		strcpy(client_p->svid, "0");
145
#	Line 154 | Line 156 | make_client(struct Client *from)
156		static void
157		free_client(struct Client *client_p)
158		{
159	<	assert(client_p != NULL);
159	>	assert(client_p);
160		assert(client_p != &me);
161		assert(client_p->hnext == client_p);
162		assert(client_p->idhnext == client_p);
#	Line 164 | Line 166 | free_client(struct Client *client_p)
166		assert(!IsServer(client_p) || (IsServer(client_p) && client_p->serv));
167
168		MyFree(client_p->serv);
169	+	MyFree(client_p->certfp);
170
171		if (MyConnect(client_p))
172		{
173		assert(client_p->localClient->invited.head == NULL);
174		assert(dlink_list_length(&client_p->localClient->invited) == 0);
175	<	assert(dlink_list_length(&client_p->localClient->watches) == 0);
175	>	assert(dlink_list_length(&client_p->localClient->watches) == 0);
176		assert(IsClosing(client_p) && IsDead(client_p));
177
178		MyFree(client_p->localClient->response);
#	Line 182 | Line 185 | free_client(struct Client *client_p)
185		{
186		assert(0 < client_p->localClient->listener->ref_count);
187		if (0 == --client_p->localClient->listener->ref_count &&
188	<	!client_p->localClient->listener->active)
188	>	!client_p->localClient->listener->active)
189		free_listener(client_p->localClient->listener);
190		}
191
#	Line 201 | Line 204 | free_client(struct Client *client_p)
204		*
205		* inputs       - NOT USED (from event)
206		* output       - next time_t when check_pings() should be called again
207	<	* side effects -
207	>	* side effects -
208		*
209		*
210		* A PING can be sent to clients as necessary.
#	Line 223 | Line 226 | free_client(struct Client *client_p)
226
227		static void
228		check_pings(void *notused)
229	<	{
229	>	{
230		check_pings_list(&local_client_list);
231		check_pings_list(&serv_list);
232		check_unknowns_list();
#	Line 233 | Line 236 | check_pings(void *notused)
236		*
237		* inputs       - pointer to list to check
238		* output       - NONE
239	<	* side effects -
239	>	* side effects -
240		*/
241		static void
242		check_pings_list(dlink_list *list)
243		{
244	<	char scratch[32];        /* way too generous but... */
244	>	char scratch[IRCD_BUFSIZE];
245		int ping = 0;      /* ping time value from client */
246		dlink_node *ptr = NULL, *next_ptr = NULL;
247
#	Line 253 | Line 256 | check_pings_list(dlink_list *list)
256		if (IsDead(client_p))
257		{
258		/* Ignore it, its been exited already */
259	<	continue;
259	>	continue;
260		}
261
262		if (!IsRegistered(client_p))
#	Line 296 | Line 299 | check_pings_list(dlink_list *list)
299
300		snprintf(scratch, sizeof(scratch), "Ping timeout: %d seconds",
301		(int)(CurrentTime - client_p->localClient->lasttime));
302	<	exit_client(client_p, &me, scratch);
302	>	exit_client(client_p, scratch);
303		}
304		}
305		}
#	Line 312 | Line 315 | check_pings_list(dlink_list *list)
315		static void
316		check_unknowns_list(void)
317		{
318	<	dlink_node *ptr, *next_ptr;
318	>	dlink_node *ptr = NULL, *ptr_next = NULL;
319
320	<	DLINK_FOREACH_SAFE(ptr, next_ptr, unknown_list.head)
320	>	DLINK_FOREACH_SAFE(ptr, ptr_next, unknown_list.head)
321		{
322		struct Client *client_p = ptr->data;
323
#	Line 323 | Line 326 | check_unknowns_list(void)
326		* for > 30s, close them.
327		*/
328		if (IsAuthFinished(client_p) && (CurrentTime - client_p->localClient->firsttime) > 30)
329	<	exit_client(client_p, &me, "Registration timed out");
329	>	exit_client(client_p, "Registration timed out");
330		}
331		}
332
#	Line 334 | Line 337 | check_unknowns_list(void)
337		* side effects - Check all connections for a pending kline against the
338		*                client, exit the client if a kline matches.
339		*/
340	<	void
340	>	void
341		check_conf_klines(void)
342	<	{
342	>	{
343		struct Client *client_p = NULL;       /* current local client_p being examined */
344		struct MaskItem *conf = NULL;
345		dlink_node *ptr, *next_ptr;
#	Line 351 | Line 354 | check_conf_klines(void)
354		continue;
355
356		if ((conf = find_dline_conf(&client_p->localClient->ip,
357	<	client_p->localClient->aftype)) != NULL)
357	>	client_p->localClient->aftype)))
358		{
359		if (conf->type == CONF_EXEMPT)
360		continue;
361
362	<	ban_them(client_p, conf);
362	>	conf_try_ban(client_p, conf);
363		continue; /* and go examine next fd/client_p */
364		}
365
366	<	if (ConfigFileEntry.glines && (conf = find_gline(client_p)))
366	>	if (ConfigFileEntry.glines)
367		{
368	<	if (IsExemptKline(client_p) ||
369	<	IsExemptGline(client_p))
368	>	if ((conf = find_conf_by_address(client_p->host, &client_p->localClient->ip,
369	>	CONF_GLINE, client_p->localClient->aftype,
370	>	client_p->username, NULL, 1)))
371		{
372	<	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
373	<	"GLINE over-ruled for %s, client is %sline_exempt",
370	<	get_client_name(client_p, HIDE_IP), IsExemptKline(client_p) ? "k" : "g");
372	>	conf_try_ban(client_p, conf);
373	>	/* and go examine next fd/client_p */
374		continue;
375		}
376	+	}
377
378	<	ban_them(client_p, conf);
379	<	/* and go examine next fd/client_p */
380	<	continue;
377	<	}
378	<
379	<	if ((conf = find_kill(client_p)) != NULL)
378	>	if ((conf = find_conf_by_address(client_p->host, &client_p->localClient->ip,
379	>	CONF_KLINE, client_p->localClient->aftype,
380	>	client_p->username, NULL, 1)))
381		{
382	<	if (IsExemptKline(client_p))
383	<	{
383	<	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
384	<	"KLINE over-ruled for %s, client is kline_exempt",
385	<	get_client_name(client_p, HIDE_IP));
386	<	continue;
387	<	}
388	<
389	<	ban_them(client_p, conf);
390	<	continue;
382	>	conf_try_ban(client_p, conf);
383	>	continue;
384		}
385
386		if ((conf = find_matching_name_conf(CONF_XLINE,  client_p->info,
387		NULL, NULL, 0)))
388		{
389	<	ban_them(client_p, conf);
389	>	conf_try_ban(client_p, conf);
390		continue;
391		}
392		}
#	Line 409 | Line 402 | check_conf_klines(void)
402		if (conf->type == CONF_EXEMPT)
403		continue;
404
405	<	exit_client(client_p, &me, "D-lined");
405	>	exit_client(client_p, "D-lined");
406		}
407		}
408		}
409
410		/*
411	<	* ban_them
411	>	* conf_try_ban
412		*
413		* inputs       - pointer to client to ban
414		*              - pointer to MaskItem
415		* output       - NONE
416		* side effects - given client_p is banned
417		*/
418	<	static void
419	<	ban_them(struct Client *client_p, struct MaskItem *conf)
418	>	void
419	>	conf_try_ban(struct Client *client_p, struct MaskItem *conf)
420		{
421		const char *user_reason = NULL;  /* What is sent to user */
422		const char *type_string = NULL;
#	Line 435 | Line 428 | ban_them(struct Client *client_p, struct
428		switch (conf->type)
429		{
430		case CONF_KLINE:
431	+	if (IsExemptKline(client_p))
432	+	{
433	+	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
434	+	"KLINE over-ruled for %s, client is kline_exempt",
435	+	get_client_name(client_p, HIDE_IP));
436	+	return;
437	+	}
438	+
439		type_string = kline_string;
440		break;
441		case CONF_DLINE:
442		type_string = dline_string;
443		break;
444		case CONF_GLINE:
445	+	if (IsExemptKline(client_p) ||
446	+	IsExemptGline(client_p))
447	+	{
448	+	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
449	+	"GLINE over-ruled for %s, client is %sline_exempt",
450	+	get_client_name(client_p, HIDE_IP), IsExemptKline(client_p) ? "k" : "g");
451	+	return;
452	+	}
453	+
454		type_string = gline_string;
455		break;
456		case CONF_XLINE:
#	Line 458 | Line 468 | ban_them(struct Client *client_p, struct
468		type_string, get_client_name(client_p, HIDE_IP));
469
470		if (IsClient(client_p))
471	<	sendto_one(client_p, form_str(ERR_YOUREBANNEDCREEP),
462	<	me.name, client_p->name, user_reason);
471	>	sendto_one_numeric(client_p, &me, ERR_YOUREBANNEDCREEP, user_reason);
472
473	<	exit_client(client_p, &me, user_reason);
473	>	exit_client(client_p, user_reason);
474		}
475
476		/* update_client_exit_stats()
477		*
478		* input        - pointer to client
479		* output       - NONE
480	<	* side effects -
480	>	* side effects -
481		*/
482		static void
483		update_client_exit_stats(struct Client *client_p)
#	Line 498 | Line 507 | update_client_exit_stats(struct Client *
507		* side effects - find person by (nick)name
508		*/
509		struct Client *
510	<	find_person(const struct Client *client_p, const char *name)
510	>	find_person(const struct Client *const source_p, const char *name)
511		{
512	<	struct Client *c2ptr = NULL;
512	>	struct Client *target_p = NULL;
513
514		if (IsDigit(*name))
515		{
516	<	if ((c2ptr = hash_find_id(name)) != NULL)
517	<	{
509	<	/* invisible users shall not be found by UID guessing */
510	<	if (HasUMode(c2ptr, UMODE_INVISIBLE))
511	<	if (!IsServer(client_p) && !HasFlag(client_p, FLAGS_SERVICE))
512	<	c2ptr = NULL;
513	<	}
516	>	if (IsServer(source_p->from))
517	>	target_p = hash_find_id(name);
518		}
519		else
520	<	c2ptr = hash_find_client(name);
520	>	target_p = hash_find_client(name);
521
522	<	return ((c2ptr != NULL && IsClient(c2ptr)) ? c2ptr : NULL);
522	>	return (target_p && IsClient(target_p)) ? target_p : NULL;
523		}
524
525		/*
526	<	* find_chasing - find the client structure for a nick name (user)
527	<	*      using history mechanism if necessary. If the client is not found,
528	<	*      an error message (NO SUCH NICK) is generated. If the client was found
525	<	*      through the history, chasing will be 1 and otherwise 0.
526	>	* find_chasing - find the client structure for a nick name (name)
527	>	*      using history mechanism if necessary. If the client is not found,
528	>	*      an error message (NO SUCH NICK) is generated.
529		*/
530		struct Client *
531	<	find_chasing(struct Client *client_p, struct Client *source_p, const char *user, int *chasing)
531	>	find_chasing(struct Client *source_p, const char *name)
532		{
533	<	struct Client *who = find_person(client_p, user);
531	<
532	<	if (chasing)
533	<	*chasing = 0;
533	>	struct Client *who = find_person(source_p, name);
534
535		if (who)
536		return who;
537
538	<	if (IsDigit(*user))
538	>	if (IsDigit(*name))
539		return NULL;
540
541	<	if ((who = get_history(user,
541	>	if ((who = whowas_get_history(name,
542		(time_t)ConfigFileEntry.kill_chase_time_limit))
543		== NULL)
544		{
545	<	sendto_one(source_p, form_str(ERR_NOSUCHNICK),
546	<	me.name, source_p->name, user);
545	>	sendto_one_numeric(source_p, &me, ERR_NOSUCHNICK, name);
546		return NULL;
547		}
548
550	–	if (chasing)
551	–	*chasing = 1;
552	–
549		return who;
550		}
551
#	Line 572 | Line 568 | find_chasing(struct Client *client_p, st
568		*        to modify what it points!!!
569		*/
570		const char *
571	<	get_client_name(const struct Client *client, enum addr_mask_type type)
571	>	get_client_name(const struct Client *client_p, enum addr_mask_type type)
572		{
573		static char nbuf[HOSTLEN * 2 + USERLEN + 5];
574
575	<	assert(client != NULL);
575	>	assert(client_p);
576
577	<	if (!MyConnect(client))
578	<	return client->name;
577	>	if (!MyConnect(client_p))
578	>	return client_p->name;
579
580	<	if (IsServer(client) || IsConnecting(client) || IsHandshake(client))
580	>	if (IsServer(client_p) || IsConnecting(client_p) || IsHandshake(client_p))
581		{
582	<	if (!irccmp(client->name, client->host))
583	<	return client->name;
582	>	if (!irccmp(client_p->name, client_p->host))
583	>	return client_p->name;
584		else if (ConfigServerHide.hide_server_ips)
585		type = MASK_IP;
586		}
587
588		if (ConfigFileEntry.hide_spoof_ips)
589	<	if (type == SHOW_IP && IsIPSpoof(client))
589	>	if (type == SHOW_IP && IsIPSpoof(client_p))
590		type = MASK_IP;
591
592		/* And finally, let's get the host information, ip or name */
#	Line 598 | Line 594 | get_client_name(const struct Client *cli
594		{
595		case SHOW_IP:
596		snprintf(nbuf, sizeof(nbuf), "%s[%s@%s]",
597	<	client->name,
598	<	client->username, client->sockhost);
597	>	client_p->name,
598	>	client_p->username, client_p->sockhost);
599		break;
600		case MASK_IP:
601	<	if (client->localClient->aftype == AF_INET)
601	>	if (client_p->localClient->aftype == AF_INET)
602		snprintf(nbuf, sizeof(nbuf), "%s[%s@255.255.255.255]",
603	<	client->name, client->username);
603	>	client_p->name, client_p->username);
604		else
605		snprintf(nbuf, sizeof(nbuf), "%s[%s@ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff]",
606	<	client->name, client->username);
606	>	client_p->name, client_p->username);
607		break;
608		default:
609		snprintf(nbuf, sizeof(nbuf), "%s[%s@%s]",
610	<	client->name,
611	<	client->username, client->host);
610	>	client_p->name,
611	>	client_p->username, client_p->host);
612		}
613
614		return nbuf;
#	Line 622 | Line 618 | void
618		free_exited_clients(void)
619		{
620		dlink_node *ptr = NULL, *next = NULL;
621	<
621	>
622		DLINK_FOREACH_SAFE(ptr, next, dead_list.head)
623		{
624		free_client(ptr->data);
#	Line 640 | Line 636 | free_exited_clients(void)
636		static void
637		exit_one_client(struct Client *source_p, const char *quitmsg)
638		{
639	<	dlink_node *lp = NULL, *next_lp = NULL;
639	>	dlink_node *ptr = NULL, *ptr_next = NULL;
640
641		assert(!IsMe(source_p));
642
643		if (IsClient(source_p))
644		{
645	<	if (source_p->servptr->serv != NULL)
650	<	dlinkDelete(&source_p->lnode, &source_p->servptr->serv->client_list);
645	>	dlinkDelete(&source_p->lnode, &source_p->servptr->serv->client_list);
646
647		/*
648		* If a person is on a channel, send a QUIT notice
#	Line 658 | Line 653 | exit_one_client(struct Client *source_p,
653		sendto_common_channels_local(source_p, 0, 0, ":%s!%s@%s QUIT :%s",
654		source_p->name, source_p->username,
655		source_p->host, quitmsg);
656	<	DLINK_FOREACH_SAFE(lp, next_lp, source_p->channel.head)
657	<	remove_user_from_channel(lp->data);
656	>	DLINK_FOREACH_SAFE(ptr, ptr_next, source_p->channel.head)
657	>	remove_user_from_channel(ptr->data);
658
659	<	add_history(source_p, 0);
660	<	off_history(source_p);
659	>	whowas_add_history(source_p, 0);
660	>	whowas_off_history(source_p);
661
662		watch_check_hash(source_p, RPL_LOGOFF);
663
664		if (MyConnect(source_p))
665		{
666		/* Clean up invitefield */
667	<	DLINK_FOREACH_SAFE(lp, next_lp, source_p->localClient->invited.head)
668	<	del_invite(lp->data, source_p);
667	>	DLINK_FOREACH_SAFE(ptr, ptr_next, source_p->localClient->invited.head)
668	>	del_invite(ptr->data, source_p);
669
670		del_all_accepts(source_p);
671		}
#	Line 679 | Line 674 | exit_one_client(struct Client *source_p,
674		{
675		dlinkDelete(&source_p->lnode, &source_p->servptr->serv->server_list);
676
677	<	if ((lp = dlinkFindDelete(&global_serv_list, source_p)) != NULL)
678	<	free_dlink_node(lp);
677	>	if ((ptr = dlinkFindDelete(&global_serv_list, source_p)))
678	>	free_dlink_node(ptr);
679		}
680
681		/* Remove source_p from the client lists */
682	<	if (HasID(source_p))
682	>	if (source_p->id[0])
683		hash_del_id(source_p);
684		if (source_p->name[0])
685		hash_del_client(source_p);
#	Line 696 | Line 691 | exit_one_client(struct Client *source_p,
691		* NOTE: source_p->node.next cannot be NULL if the client is added
692		*       to global_client_list (there is always &me at its end)
693		*/
694	<	if (source_p != NULL && source_p->node.next != NULL)
694	>	if (source_p->node.next) /* XXX: not needed? */
695		dlinkDelete(&source_p->node, &global_client_list);
696
697		update_client_exit_stats(source_p);
#	Line 709 | Line 704 | exit_one_client(struct Client *source_p,
704		dlinkAdd(source_p, make_dlink_node(), &dead_list);
705		}
706
707	<	/* Recursively send QUITs and SQUITs for source_p and all its dependent clients
713	<	* and servers to those servers that need them.  A server needs the client
714	<	* QUITs if it can't figure them out from the SQUIT (ie pre-TS4) or if it
715	<	* isn't getting the SQUIT because of @#(*&@)# hostmasking.  With TS4, once
716	<	* a link gets a SQUIT, it doesn't need any QUIT/SQUITs for clients depending
717	<	* on that one -orabidoo
718	<	*
719	<	* This is now called on each local server -adx
720	<	*/
721	<	static void
722	<	recurse_send_quits(struct Client *original_source_p, struct Client *source_p,
723	<	struct Client *from, struct Client *to, const char *comment,
724	<	const char *splitstr)
725	<	{
726	<	dlink_node *ptr, *next;
727	<	struct Client *target_p;
728	<
729	<	assert(to != source_p);  /* should be already removed from serv_list */
730	<
731	<	/* If this server can handle quit storm (QS) removal
732	<	* of dependents, just send the SQUIT
733	<	*/
734	<	if (!IsCapable(to, CAP_QS))
735	<	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->client_list.head)
736	<	{
737	<	target_p = ptr->data;
738	<	sendto_one(to, ":%s QUIT :%s", target_p->name, splitstr);
739	<	}
740	<
741	<	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->server_list.head)
742	<	recurse_send_quits(original_source_p, ptr->data, from, to,
743	<	comment, splitstr);
744	<
745	<	if ((source_p == original_source_p && to != from) ||
746	<	!IsCapable(to, CAP_QS))
747	<	{
748	<	/* don't use a prefix here - we have to be 100% sure the message
749	<	* will be accepted without Unknown prefix etc.. */
750	<	sendto_one(to, "SQUIT %s :%s", ID_or_name(source_p, to), comment);
751	<	}
752	<	}
753	<
754	<	/*
707	>	/*
708		* Remove all clients that depend on source_p; assumes all (S)QUITs have
709	<	* already been sent.  we make sure to exit a server's dependent clients
710	<	* and servers before the server itself; exit_one_client takes care of
709	>	* already been sent.  we make sure to exit a server's dependent clients
710	>	* and servers before the server itself; exit_one_client takes care of
711		* actually removing things off llists.   tweaked from +CSr31  -orabidoo
712		*/
713		static void
714		recurse_remove_clients(struct Client *source_p, const char *quitmsg)
715		{
716	<	dlink_node *ptr, *next;
716	>	dlink_node *ptr = NULL, *ptr_next = NULL;
717
718	<	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->client_list.head)
718	>	DLINK_FOREACH_SAFE(ptr, ptr_next, source_p->serv->client_list.head)
719		exit_one_client(ptr->data, quitmsg);
720
721	<	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->server_list.head)
721	>	DLINK_FOREACH_SAFE(ptr, ptr_next, source_p->serv->server_list.head)
722		{
723		recurse_remove_clients(ptr->data, quitmsg);
724		exit_one_client(ptr->data, quitmsg);
#	Line 773 | Line 726 | recurse_remove_clients(struct Client *so
726		}
727
728		/*
776	–	** Remove *everything* that depends on source_p, from all lists, and sending
777	–	** all necessary QUITs and SQUITs.  source_p itself is still on the lists,
778	–	** and its SQUITs have been sent except for the upstream one  -orabidoo
779	–	*/
780	–	static void
781	–	remove_dependents(struct Client *source_p, struct Client *from,
782	–	const char *comment, const char *splitstr)
783	–	{
784	–	dlink_node *ptr = NULL;
785	–
786	–	DLINK_FOREACH(ptr, serv_list.head)
787	–	recurse_send_quits(source_p, source_p, from, ptr->data,
788	–	comment, splitstr);
789	–
790	–	recurse_remove_clients(source_p, splitstr);
791	–	}
792	–
793	–	/*
729		* exit_client - exit a client of any type. Generally, you can use
730		* this on any struct Client, regardless of its state.
731		*
732		* Note, you shouldn't exit remote _users_ without first doing
733		* AddFlag(x, FLAGS_KILLED) and propagating a kill or similar message.
734	+	*
735		* However, it is perfectly correct to call exit_client to force a _server_
736		* quit (either local or remote one).
737		*
738	+	*
739		* inputs:       - a client pointer that is going to be exited
803	–	*               - for servers, the second argument is a pointer to who
804	–	*                 is firing the server. This side won't get any generated
805	–	*                 messages. NEVER NULL!
740		* output:       none
741		* side effects: the client is delinked from all lists, disconnected,
742		*               and the rest of IRC network is notified of the exit.
743		*               Client memory is scheduled to be freed
744		*/
745		void
746	<	exit_client(struct Client *source_p, struct Client *from, const char *comment)
746	>	exit_client(struct Client *source_p, const char *comment)
747		{
748		dlink_node *m = NULL;
749
#	Line 848 | Line 782 | exit_client(struct Client *source_p, str
782		Count.local--;
783
784		if (HasUMode(source_p, UMODE_OPER))
785	<	if ((m = dlinkFindDelete(&oper_list, source_p)) != NULL)
785	>	if ((m = dlinkFindDelete(&oper_list, source_p)))
786		free_dlink_node(m);
787
788		assert(dlinkFind(&local_client_list, source_p));
789		dlinkDelete(&source_p->localClient->lclient_node, &local_client_list);
790
791	<	if (source_p->localClient->list_task != NULL)
791	>	if (source_p->localClient->list_task)
792		free_list_task(source_p->localClient->list_task, source_p);
793
794		watch_del_watch_list(source_p);
#	Line 877 | Line 811 | exit_client(struct Client *source_p, str
811
812		assert(dlinkFind(&serv_list, source_p));
813		dlinkDelete(&source_p->localClient->lclient_node, &serv_list);
880	–	unset_chcap_usage_counts(source_p);
814		}
815
816		if (!IsDead(source_p))
817		{
818		if (IsServer(source_p))
819		{
820	<	/* for them, we are exiting the network */
821	<	sendto_one(source_p, ":%s SQUIT %s :%s",
822	<	ID_or_name(from, source_p), me.name, comment);
820	>	if (!HasFlag(source_p, FLAGS_SQUIT))
821	>	{
822	>	/* for them, we are exiting the network */
823	>	sendto_one(source_p, ":%s SQUIT %s :%s",
824	>	me.id, me.id, comment);
825	>	}
826		}
827
828		sendto_one(source_p, "ERROR :Closing Link: %s (%s)",
#	Line 914 | Line 850 | exit_client(struct Client *source_p, str
850
851		if (IsServer(source_p))
852		{
853	<	char splitstr[HOSTLEN + HOSTLEN + 2];
853	>	char splitstr[HOSTLEN + HOSTLEN + 2] = "";
854
855		/* This shouldn't ever happen */
856	<	assert(source_p->serv != NULL && source_p->servptr != NULL);
856	>	assert(source_p->serv && source_p->servptr);
857
858		if (ConfigServerHide.hide_servers)
859		/*
860	<	* Set netsplit message to "*.net *.split" to still show
860	>	* Set netsplit message to "*.net *.split" to still show
861		* that its a split, but hide the servers splitting
862		*/
863	<	strcpy(splitstr, "*.net *.split");
863	>	strlcpy(splitstr, "*.net *.split", sizeof(splitstr));
864		else
865		snprintf(splitstr, sizeof(splitstr), "%s %s",
866		source_p->servptr->name, source_p->name);
867
868	<	remove_dependents(source_p, from->from, comment, splitstr);
868	>	/* Send SQUIT for source_p in every direction. source_p is already off of serv_list here */
869	>	if (!HasFlag(source_p, FLAGS_SQUIT))
870	>	sendto_server(NULL, NOCAPS, NOCAPS, "SQUIT %s :%s", source_p->id, comment);
871	>
872	>	/* Now exit the clients internally */
873	>	recurse_remove_clients(source_p, splitstr);
874
875	<	if (source_p->servptr == &me)
875	>	if (MyConnect(source_p))
876		{
877		sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
878		"%s was connected for %d seconds.  %llu/%llu sendK/recvK.",
#	Line 939 | Line 880 | exit_client(struct Client *source_p, str
880		source_p->localClient->send.bytes >> 10,
881		source_p->localClient->recv.bytes >> 10);
882		ilog(LOG_TYPE_IRCD, "%s was connected for %d seconds.  %llu/%llu sendK/recvK.",
883	<	source_p->name, (int)(CurrentTime - source_p->localClient->firsttime),
883	>	source_p->name, (int)(CurrentTime - source_p->localClient->firsttime),
884		source_p->localClient->send.bytes >> 10,
885		source_p->localClient->recv.bytes >> 10);
886		}
887		}
888		else if (IsClient(source_p) && !HasFlag(source_p, FLAGS_KILLED))
889	<	{
890	<	sendto_server(from->from, CAP_TS6, NOCAPS,
950	<	":%s QUIT :%s", ID(source_p), comment);
951	<	sendto_server(from->from, NOCAPS, CAP_TS6,
952	<	":%s QUIT :%s", source_p->name, comment);
953	<	}
889	>	sendto_server(source_p->from, NOCAPS, NOCAPS, ":%s QUIT :%s",
890	>	source_p->id, comment);
891
892		/* The client *better* be off all of the lists */
893		assert(dlinkFind(&unknown_list, source_p) == NULL);
#	Line 994 | Line 931 | dead_link_on_write(struct Client *client
931		void
932		dead_link_on_read(struct Client *client_p, int error)
933		{
934	<	char errmsg[255];
934	>	char errmsg[IRCD_BUFSIZE];
935		int current_error;
936
937		if (IsDefunct(client_p))
#	Line 1008 | Line 945 | dead_link_on_read(struct Client *client_
945		if (IsServer(client_p) || IsHandshake(client_p))
946		{
947		int connected = CurrentTime - client_p->localClient->firsttime;
948	<
948	>
949		if (error == 0)
950		{
951		/* Admins get the real IP */
#	Line 1047 | Line 984 | dead_link_on_read(struct Client *client_
984		snprintf(errmsg, sizeof(errmsg), "Read error: %s",
985		strerror(current_error));
986
987	<	exit_client(client_p, &me, errmsg);
987	>	exit_client(client_p, errmsg);
988		}
989
990		void
#	Line 1078 | Line 1015 | exit_aborted_clients(void)
1015		else
1016		notice = "Write error: connection closed";
1017
1018	<	exit_client(target_p, &me, notice);
1018	>	exit_client(target_p, notice);
1019		free_dlink_node(ptr);
1020		}
1021		}
#	Line 1106 | Line 1043 | del_accept(struct split_nuh_item *accept
1043
1044		struct split_nuh_item *
1045		find_accept(const char *nick, const char *user,
1046	<	const char *host, struct Client *client_p, int do_match)
1046	>	const char *host, struct Client *client_p,
1047	>	int (*cmpfunc)(const char *, const char *))
1048		{
1049		dlink_node *ptr = NULL;
1112	–	/* XXX We wouldn't need that if match() would return 0 on match */
1113	–	int (*cmpfunc)(const char *, const char *) = do_match ? match : irccmp;
1050
1051		DLINK_FOREACH(ptr, client_p->localClient->acceptlist.head)
1052		{
#	Line 1139 | Line 1075 | accept_message(struct Client *source,
1075		dlink_node *ptr = NULL;
1076
1077		if (source == target || find_accept(source->name, source->username,
1078	<	source->host, target, 1))
1078	>	source->host, target, match))
1079		return 1;
1080
1081		if (HasUMode(target, UMODE_SOFTCALLERID))
#	Line 1159 | Line 1095 | accept_message(struct Client *source,
1095		void
1096		del_all_accepts(struct Client *client_p)
1097		{
1098	<	dlink_node *ptr = NULL, *next_ptr = NULL;
1098	>	dlink_node *ptr = NULL, *ptr_next = NULL;
1099
1100	<	DLINK_FOREACH_SAFE(ptr, next_ptr, client_p->localClient->acceptlist.head)
1100	>	DLINK_FOREACH_SAFE(ptr, ptr_next, client_p->localClient->acceptlist.head)
1101		del_accept(ptr->data, client_p);
1102		}
1103
#	Line 1190 | Line 1126 | idle_time_get(const struct Client *sourc
1126		else
1127		idle = CurrentTime - target_p->localClient->last_privmsg;
1128
1129	<	if (max_idle == 0)
1129	>	if (!max_idle)
1130		idle = 0;
1131		else
1132		idle %= max_idle;

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