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

Comparing:
ircd-hybrid-7.2/src/client.c (file contents), Revision 876 by michael, Wed Oct 24 21:51:21 2007 UTC vs.
ircd-hybrid-8/src/client.c (file contents), Revision 1339 by michael, Fri Apr 6 10:22:36 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 77 | 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 ConfItem *);
78
79
80		/* init_client()
#	Line 119 | 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! */
#	Line 254 | Line 253 | check_pings_list(dlink_list *list)
253		continue;
254		}
255
257	–	if (GlobalSetOptions.idletime && IsClient(client_p))
258	–	{
259	–	if (!IsExemptKline(client_p) && !IsOper(client_p) &&
260	–	!IsIdlelined(client_p) &&
261	–	((CurrentTime - client_p->localClient->last) > GlobalSetOptions.idletime))
262	–	{
263	–	struct ConfItem *conf;
264	–	struct AccessItem *aconf;
265	–
266	–	conf = make_conf_item(KLINE_TYPE);
267	–	aconf = (struct AccessItem *)map_to_conf(conf);
268	–
269	–	DupString(aconf->host, client_p->host);
270	–	DupString(aconf->reason, "idle exceeder");
271	–	DupString(aconf->user, client_p->username);
272	–	aconf->hold = CurrentTime + 60;
273	–	add_temp_line(conf);
274	–
275	–	sendto_realops_flags(UMODE_ALL, L_ALL,
276	–	"Idle time limit exceeded for %s - temp k-lining",
277	–	get_client_name(client_p, HIDE_IP));
278	–	exit_client(client_p, &me, aconf->reason);
279	–	continue;
280	–	}
281	–	}
282	–
256		if (!IsRegistered(client_p))
257		ping = CONNECTTIMEOUT, pingwarn = 0;
258		else
259		ping = get_client_ping(client_p, &pingwarn);
260
261	<	if (ping < CurrentTime - client_p->lasttime)
261	>	if (ping < CurrentTime - client_p->localClient->lasttime)
262		{
263		if (!IsPingSent(client_p))
264		{
#	Line 296 | Line 269 | check_pings_list(dlink_list *list)
269		*/
270		SetPingSent(client_p);
271		ClearPingWarning(client_p);
272	<	client_p->lasttime = CurrentTime - ping;
272	>	client_p->localClient->lasttime = CurrentTime - ping;
273		sendto_one(client_p, "PING :%s", ID_or_name(&me, client_p));
274		}
275		else
276		{
277	<	if (CurrentTime - client_p->lasttime >= 2 * ping)
277	>	if (CurrentTime - client_p->localClient->lasttime >= 2 * ping)
278		{
279		/*
280		* If the client/server hasn't talked to us in 2*ping seconds
#	Line 315 | Line 288 | check_pings_list(dlink_list *list)
288		sendto_realops_flags(UMODE_ALL, L_OPER,
289		"No response from %s, closing link",
290		get_client_name(client_p, MASK_IP));
291	<	ilog(L_NOTICE, "No response from %s, closing link",
291	>	ilog(LOG_TYPE_IRCD, "No response from %s, closing link",
292		get_client_name(client_p, HIDE_IP));
293		}
294
295	<	ircsprintf(scratch, "Ping timeout: %d seconds",
296	<	(int)(CurrentTime - client_p->lasttime));
295	>	snprintf(scratch, sizeof(scratch), "Ping timeout: %d seconds",
296	>	(int)(CurrentTime - client_p->localClient->lasttime));
297		exit_client(client_p, &me, scratch);
298		}
299		else if (!IsPingWarning(client_p) && pingwarn > 0 &&
300		(IsServer(client_p) || IsHandshake(client_p)) &&
301	<	CurrentTime - client_p->lasttime >= ping + pingwarn)
301	>	CurrentTime - client_p->localClient->lasttime >= ping + pingwarn)
302		{
303		/*
304		* If the server hasn't replied in pingwarn seconds after sending
#	Line 338 | Line 311 | check_pings_list(dlink_list *list)
311		sendto_realops_flags(UMODE_ALL, L_OPER,
312		"Warning, no response from %s in %d seconds",
313		get_client_name(client_p, MASK_IP), pingwarn);
314	<	ilog(L_NOTICE, "No response from %s in %d seconds",
314	>	ilog(LOG_TYPE_IRCD, "No response from %s in %d seconds",
315		get_client_name(client_p, HIDE_IP), pingwarn);
316		}
317		}
#	Line 372 | Line 345 | check_unknowns_list(void)
345		* Check UNKNOWN connections - if they have been in this state
346		* for > 30s, close them.
347		*/
348	<	if (IsAuthFinished(client_p) && (CurrentTime - client_p->firsttime) > 30)
348	>	if (IsAuthFinished(client_p) && (CurrentTime - client_p->localClient->firsttime) > 30)
349		exit_client(client_p, &me, "Registration timed out");
350		}
351		}
#	Line 555 | Line 528 | ban_them(struct Client *client_p, struct
528		static void
529		update_client_exit_stats(struct Client *client_p)
530		{
531	<	if (IsServer(client_p))
559	<	{
560	<	sendto_realops_flags(UMODE_EXTERNAL, L_ALL,
561	<	"Server %s split from %s",
562	<	client_p->name, client_p->servptr->name);
563	<	}
564	<	else if (IsClient(client_p))
531	>	if (IsClient(client_p))
532		{
533	+	assert(Count.total > 0);
534		--Count.total;
535	<	if (IsOper(client_p))
535	>	if (HasUMode(client_p, UMODE_OPER))
536		--Count.oper;
537	<	if (IsInvisible(client_p))
537	>	if (HasUMode(client_p, UMODE_INVISIBLE))
538		--Count.invisi;
539		}
540	+	else if (IsServer(client_p))
541	+	sendto_realops_flags(UMODE_EXTERNAL, L_ALL, "Server %s split from %s",
542	+	client_p->name, client_p->servptr->name);
543
544		if (splitchecking && !splitmode)
545		check_splitmode(NULL);
#	Line 591 | Line 562 | find_person(const struct Client *client_
562		if ((c2ptr = hash_find_id(name)) != NULL)
563		{
564		/* invisible users shall not be found by UID guessing */
565	<	if (IsInvisible(c2ptr) && !IsServer(client_p))
565	>	if (HasUMode(c2ptr, UMODE_INVISIBLE) && !IsServer(client_p))
566		c2ptr = NULL;
567		}
568		}
569		else
570	<	c2ptr = find_client(name);
570	>	c2ptr = hash_find_client(name);
571
572		return ((c2ptr != NULL && IsClient(c2ptr)) ? c2ptr : NULL);
573		}
#	Line 616 | Line 587 | find_chasing(struct Client *client_p, st
587		*chasing = 0;
588
589		if (who)
590	<	return(who);
590	>	return who;
591
592		if (IsDigit(*user))
593	<	return(NULL);
593	>	return NULL;
594
595		if ((who = get_history(user,
596		(time_t)ConfigFileEntry.kill_chase_time_limit))
#	Line 627 | Line 598 | find_chasing(struct Client *client_p, st
598		{
599		sendto_one(source_p, form_str(ERR_NOSUCHNICK),
600		me.name, source_p->name, user);
601	<	return(NULL);
601	>	return NULL;
602		}
603
604		if (chasing)
605		*chasing = 1;
606
607	<	return(who);
607	>	return who;
608		}
609
610		/*
#	Line 655 | Line 626 | find_chasing(struct Client *client_p, st
626		*        to modify what it points!!!
627		*/
628		const char *
629	<	get_client_name(struct Client *client, int showip)
629	>	get_client_name(const struct Client *client, enum addr_mask_type type)
630		{
631		static char nbuf[HOSTLEN * 2 + USERLEN + 5];
632
633		assert(client != NULL);
634
635	<	if (irccmp(client->name, client->host) == 0)
636	<	return(client->name);
635	>	if (!MyConnect(client) || !irccmp(client->name, client->host))
636	>	return client->name;
637
638		if (ConfigServerHide.hide_server_ips)
639		if (IsServer(client) || IsConnecting(client) || IsHandshake(client))
640	<	showip = MASK_IP;
640	>	type = MASK_IP;
641
642		if (ConfigFileEntry.hide_spoof_ips)
643	<	if (showip == SHOW_IP && IsIPSpoof(client))
644	<	showip = MASK_IP;
643	>	if (type == SHOW_IP && IsIPSpoof(client))
644	>	type = MASK_IP;
645
646		/* And finally, let's get the host information, ip or name */
647	<	switch (showip)
647	>	switch (type)
648		{
649		case SHOW_IP:
650	<	if (MyConnect(client))
651	<	{
652	<	ircsprintf(nbuf, "%s[%s@%s]", client->name, client->username,
653	<	client->sockhost);
683	<	break;
684	<	}
650	>	snprintf(nbuf, sizeof(nbuf), "%s[%s@%s]",
651	>	client->name,
652	>	client->username, client->sockhost);
653	>	break;
654		case MASK_IP:
655	<	ircsprintf(nbuf, "%s[%s@255.255.255.255]", client->name,
656	<	client->username);
655	>	if (client->localClient->aftype == AF_INET)
656	>	snprintf(nbuf, sizeof(nbuf), "%s[%s@255.255.255.255]",
657	>	client->name, client->username);
658	>	else
659	>	snprintf(nbuf, sizeof(nbuf), "%s[%s@ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff]",
660	>	client->name, client->username);
661		break;
662		default:
663	<	ircsprintf(nbuf, "%s[%s@%s]", client->name, client->username,
664	<	client->host);
663	>	snprintf(nbuf, sizeof(nbuf), "%s[%s@%s]",
664	>	client->name,
665	>	client->username, client->host);
666		}
667
668	<	return(nbuf);
668	>	return nbuf;
669		}
670
671		void
672		free_exited_clients(void)
673		{
674	<	dlink_node *ptr, *next;
701	<	struct Client *target_p;
674	>	dlink_node *ptr = NULL, *next = NULL;
675
676		DLINK_FOREACH_SAFE(ptr, next, dead_list.head)
677		{
678	<	target_p = ptr->data;
706	<
707	<	if (ptr->data == NULL)
708	<	{
709	<	sendto_realops_flags(UMODE_ALL, L_ALL,
710	<	"Warning: null client on dead_list!");
711	<	dlinkDelete(ptr, &dead_list);
712	<	free_dlink_node(ptr);
713	<	continue;
714	<	}
715	<
716	<	free_client(target_p);
678	>	free_client(ptr->data);
679		dlinkDelete(ptr, &dead_list);
680		free_dlink_node(ptr);
681		}
#	Line 732 | Line 694 | exit_one_client(struct Client *source_p,
694
695		assert(!IsMe(source_p));
696
697	<	if (IsServer(source_p))
736	<	{
737	<	dlinkDelete(&source_p->lnode, &source_p->servptr->serv->servers);
738	<
739	<	if ((lp = dlinkFindDelete(&global_serv_list, source_p)) != NULL)
740	<	free_dlink_node(lp);
741	<
742	<	if (!MyConnect(source_p))
743	<	{
744	<	source_p->from->serv->dep_servers--;
745	<	assert(source_p->from->serv->dep_servers > 0);
746	<	}
747	<	}
748	<	else if (IsClient(source_p))
697	>	if (IsClient(source_p))
698		{
699		if (source_p->servptr->serv != NULL)
700	<	dlinkDelete(&source_p->lnode, &source_p->servptr->serv->users);
700	>	dlinkDelete(&source_p->lnode, &source_p->servptr->serv->client_list);
701
702	<	/* If a person is on a channel, send a QUIT notice
703	<	** to every client (person) on the same channel (so
704	<	** that the client can show the "**signoff" message).
705	<	** (Note: The notice is to the local clients *only*)
706	<	*/
702	>	/*
703	>	* If a person is on a channel, send a QUIT notice
704	>	* to every client (person) on the same channel (so
705	>	* that the client can show the "**signoff" message).
706	>	* (Note: The notice is to the local clients *only*)
707	>	*/
708		sendto_common_channels_local(source_p, 0, ":%s!%s@%s QUIT :%s",
709		source_p->name, source_p->username,
710		source_p->host, quitmsg);
711		DLINK_FOREACH_SAFE(lp, next_lp, source_p->channel.head)
712		remove_user_from_channel(lp->data);
713
764	–	/* Clean up allow lists */
765	–	del_all_accepts(source_p);
714		add_history(source_p, 0);
715		off_history(source_p);
716
717		watch_check_hash(source_p, RPL_LOGOFF);
718
719	<	if (!MyConnect(source_p))
772	<	{
773	<	source_p->from->serv->dep_users--;
774	<	assert(source_p->from->serv->dep_users >= 0);
775	<	}
776	<	else
719	>	if (MyConnect(source_p))
720		{
721		/* Clean up invitefield */
722		DLINK_FOREACH_SAFE(lp, next_lp, source_p->localClient->invited.head)
723		del_invite(lp->data, source_p);
724	+
725	+	del_all_accepts(source_p);
726		}
727		}
728	+	else if (IsServer(source_p))
729	+	{
730	+	dlinkDelete(&source_p->lnode, &source_p->servptr->serv->server_list);
731	+
732	+	if ((lp = dlinkFindDelete(&global_serv_list, source_p)) != NULL)
733	+	free_dlink_node(lp);
734	+	}
735
736		/* Remove source_p from the client lists */
737		if (HasID(source_p))
#	Line 819 | Line 771 | exit_one_client(struct Client *source_p,
771		static void
772		recurse_send_quits(struct Client *original_source_p, struct Client *source_p,
773		struct Client *from, struct Client *to, const char *comment,
774	<	const char *splitstr, const char *myname)
774	>	const char *splitstr)
775		{
776		dlink_node *ptr, *next;
777		struct Client *target_p;
778	<	int hidden = match(myname, source_p->name);
778	>	int hidden = match(me.name, source_p->name); /* XXX */
779
780		assert(to != source_p);  /* should be already removed from serv_list */
781
#	Line 834 | Line 786 | recurse_send_quits(struct Client *origin
786		* hidden behind fakename. If so, send out the QUITs -adx
787		*/
788		if (hidden || !IsCapable(to, CAP_QS))
789	<	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->users.head)
789	>	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->client_list.head)
790		{
791		target_p = ptr->data;
792		sendto_one(to, ":%s QUIT :%s", target_p->name, splitstr);
793		}
794
795	<	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->servers.head)
795	>	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->server_list.head)
796		recurse_send_quits(original_source_p, ptr->data, from, to,
797	<	comment, splitstr, myname);
797	>	comment, splitstr);
798
799		if (!hidden && ((source_p == original_source_p && to != from) ||
800		!IsCapable(to, CAP_QS)))
#	Line 864 | Line 816 | recurse_remove_clients(struct Client *so
816		{
817		dlink_node *ptr, *next;
818
819	<	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->users.head)
819	>	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->client_list.head)
820		exit_one_client(ptr->data, quitmsg);
821
822	<	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->servers.head)
822	>	DLINK_FOREACH_SAFE(ptr, next, source_p->serv->server_list.head)
823		{
824		recurse_remove_clients(ptr->data, quitmsg);
825		exit_one_client(ptr->data, quitmsg);
826		}
875	–
876	–	assert(source_p->serv->dep_servers == 1);
877	–	assert(source_p->serv->dep_users == 0);
827		}
828
829		/*
#	Line 886 | Line 835 | static void
835		remove_dependents(struct Client *source_p, struct Client *from,
836		const char *comment, const char *splitstr)
837		{
838	<	struct Client *to;
890	<	struct ConfItem *conf;
891	<	static char myname[HOSTLEN+1];
892	<	dlink_node *ptr;
838	>	dlink_node *ptr = NULL;
839
840		DLINK_FOREACH(ptr, serv_list.head)
841	<	{
842	<	to = ptr->data;
897	<
898	<	if ((conf = to->serv->sconf) != NULL)
899	<	strlcpy(myname, my_name_for_link(conf), sizeof(myname));
900	<	else
901	<	strlcpy(myname, me.name, sizeof(myname));
902	<	recurse_send_quits(source_p, source_p, from, to,
903	<	comment, splitstr, myname);
904	<	}
841	>	recurse_send_quits(source_p, source_p, from, ptr->data,
842	>	comment, splitstr);
843
844		recurse_remove_clients(source_p, splitstr);
845		}
#	Line 911 | Line 849 | remove_dependents(struct Client *source_
849		* this on any struct Client, regardless of its state.
850		*
851		* Note, you shouldn't exit remote _users_ without first doing
852	<	* SetKilled and propagating a kill or similar message. However,
853	<	* it is perfectly correct to call exit_client to force a _server_
852	>	* AddFlag(x, FLAGS_KILLED) and propagating a kill or similar message.
853	>	* However, it is perfectly correct to call exit_client to force a _server_
854		* quit (either local or remote one).
855		*
856		* inputs:       - a client pointer that is going to be exited
#	Line 927 | Line 865 | remove_dependents(struct Client *source_
865		void
866		exit_client(struct Client *source_p, struct Client *from, const char *comment)
867		{
868	<	dlink_node *m;
868	>	dlink_node *m = NULL;
869
870		if (MyConnect(source_p))
871		{
#	Line 942 | Line 880 | exit_client(struct Client *source_p, str
880		if (IsIpHash(source_p))
881		remove_one_ip(&source_p->localClient->ip);
882
883	<	delete_auth(source_p);
883	>	if (source_p->localClient->auth)
884	>	{
885	>	delete_auth(source_p->localClient->auth);
886	>	source_p->localClient->auth = NULL;
887	>	}
888
889		/* This source_p could have status of one of STAT_UNKNOWN, STAT_CONNECTING
890		* STAT_HANDSHAKE or STAT_UNKNOWN
#	Line 952 | Line 894 | exit_client(struct Client *source_p, str
894		*/
895		if (!IsRegistered(source_p))
896		{
897	<	if ((m = dlinkFindDelete(&unknown_list, source_p)) != NULL)
898	<	free_dlink_node(m);
897	>	assert(dlinkFind(&unknown_list, source_p));
898	>
899	>	dlinkDelete(&source_p->localClient->lclient_node, &unknown_list);
900		}
901		else if (IsClient(source_p))
902		{
903	+	time_t on_for = CurrentTime - source_p->localClient->firsttime;
904	+	assert(Count.local > 0);
905		Count.local--;
906
907	<	if (IsOper(source_p))
907	>	if (HasUMode(source_p, UMODE_OPER))
908		{
909		if ((m = dlinkFindDelete(&oper_list, source_p)) != NULL)
910		free_dlink_node(m);
911		}
912
913	+	assert(dlinkFind(&local_client_list, source_p));
914		dlinkDelete(&source_p->localClient->lclient_node, &local_client_list);
915	+
916		if (source_p->localClient->list_task != NULL)
917		free_list_task(source_p->localClient->list_task, source_p);
918
#	Line 978 | Line 925 | exit_client(struct Client *source_p, str
925		source_p->name,
926		source_p->username,
927		source_p->host,
981	–
928		ConfigFileEntry.hide_spoof_ips && IsIPSpoof(source_p) ?
929		"255.255.255.255" : source_p->sockhost,
930		comment);
931	+	ilog(LOG_TYPE_USER, "%s (%3u:%02u:%02u): %s!%s@%s %llu/%llu",
932	+	myctime(source_p->localClient->firsttime), (unsigned int)(on_for / 3600),
933	+	(unsigned int)((on_for % 3600)/60), (unsigned int)(on_for % 60),
934	+	source_p->name, source_p->username, source_p->host,
935	+	source_p->localClient->send.bytes>>10,
936	+	source_p->localClient->recv.bytes>>10);
937		}
938
939		/* As soon as a client is known to be a server of some sort
940		* it has to be put on the serv_list, or SJOIN's to this new server
941		* from the connect burst will not be seen.
942	+	* XXX - TBV.  This is not true. The only place where we put a server on
943	+	* serv_list is in server_estab right now after registration process.
944	+	* And only after this, a burst is sent to the remote server, i.e. we never
945	+	* send a burst to STAT_CONNECTING, or STAT_HANDSHAKE. This will need
946	+	* more investigation later on, but for now, it's not a problem after all.
947		*/
948		if (IsServer(source_p) || IsConnecting(source_p) ||
949		IsHandshake(source_p))
950		{
951	<	if ((m = dlinkFindDelete(&serv_list, source_p)) != NULL)
951	>	if (dlinkFind(&serv_list, source_p))
952		{
953	<	free_dlink_node(m);
953	>	dlinkDelete(&source_p->localClient->lclient_node, &serv_list);
954		unset_chcap_usage_counts(source_p);
955		}
956
957		if (IsServer(source_p))
1001	–	{
958		Count.myserver--;
1003	–	if (ServerInfo.hub)
1004	–	remove_lazylink_flags(source_p->localClient->serverMask);
1005	–	else
1006	–	uplink = NULL;
1007	–	}
959		}
960
1010	–	log_user_exit(source_p);
1011	–
961		if (!IsDead(source_p))
962		{
963		if (IsServer(source_p))
#	Line 1044 | Line 993 | exit_client(struct Client *source_p, str
993		assert(source_p->serv != NULL && source_p->servptr != NULL);
994
995		if (ConfigServerHide.hide_servers)
996	<	/* set netsplit message to "*.net *.split" to still show
996	>	/*
997	>	* Set netsplit message to "*.net *.split" to still show
998		* that its a split, but hide the servers splitting
999		*/
1000		strcpy(splitstr, "*.net *.split");
#	Line 1058 | Line 1008 | exit_client(struct Client *source_p, str
1008		{
1009		sendto_realops_flags(UMODE_ALL, L_ALL,
1010		"%s was connected for %d seconds.  %llu/%llu sendK/recvK.",
1011	<	source_p->name, (int)(CurrentTime - source_p->firsttime),
1011	>	source_p->name, (int)(CurrentTime - source_p->localClient->firsttime),
1012		source_p->localClient->send.bytes >> 10,
1013		source_p->localClient->recv.bytes >> 10);
1014	<	ilog(L_NOTICE, "%s was connected for %d seconds.  %llu/%llu sendK/recvK.",
1015	<	source_p->name, (int)(CurrentTime - source_p->firsttime),
1014	>	ilog(LOG_TYPE_IRCD, "%s was connected for %d seconds.  %llu/%llu sendK/recvK.",
1015	>	source_p->name, (int)(CurrentTime - source_p->localClient->firsttime),
1016		source_p->localClient->send.bytes >> 10,
1017		source_p->localClient->recv.bytes >> 10);
1018		}
1019		}
1020	<	else if (IsClient(source_p) && !IsKilled(source_p))
1020	>	else if (IsClient(source_p) && !HasFlag(source_p, FLAGS_KILLED))
1021		{
1022	<	sendto_server(from->from, source_p, NULL, CAP_TS6, NOCAPS, NOFLAGS,
1022	>	sendto_server(from->from, NULL, CAP_TS6, NOCAPS,
1023		":%s QUIT :%s", ID(source_p), comment);
1024	<	sendto_server(from->from, source_p, NULL, NOCAPS, CAP_TS6, NOFLAGS,
1024	>	sendto_server(from->from, NULL, NOCAPS, CAP_TS6,
1025		":%s QUIT :%s", source_p->name, comment);
1026		}
1027
#	Line 1130 | Line 1080 | dead_link_on_read(struct Client *client_
1080
1081		if (IsServer(client_p) || IsHandshake(client_p))
1082		{
1083	<	int connected = CurrentTime - client_p->firsttime;
1083	>	int connected = CurrentTime - client_p->localClient->firsttime;
1084
1085		if (error == 0)
1086		{
#	Line 1144 | Line 1094 | dead_link_on_read(struct Client *client_
1094		"Server %s closed the connection",
1095		get_client_name(client_p, MASK_IP));
1096
1097	<	ilog(L_NOTICE, "Server %s closed the connection",
1097	>	ilog(LOG_TYPE_IRCD, "Server %s closed the connection",
1098		get_client_name(client_p, SHOW_IP));
1099		}
1100		else
#	Line 1167 | Line 1117 | dead_link_on_read(struct Client *client_
1117		strlcpy(errmsg, "Remote host closed the connection",
1118		sizeof(errmsg));
1119		else
1120	<	ircsprintf(errmsg, "Read error: %s",
1121	<	strerror(current_error));
1120	>	snprintf(errmsg, sizeof(errmsg), "Read error: %s",
1121	>	strerror(current_error));
1122
1123		exit_client(client_p, &me, errmsg);
1124		}
#	Line 1208 | Line 1158 | exit_aborted_clients(void)
1158
1159		/*
1160		* accept processing, this adds a form of "caller ID" to ircd
1161	<	*
1161	>	*
1162		* If a client puts themselves into "caller ID only" mode,
1163	<	* only clients that match a client pointer they have put on
1163	>	* only clients that match a client pointer they have put on
1164		* the accept list will be allowed to message them.
1165		*
1166	<	* [ source.on_allow_list ] -> [ target1 ] -> [ target2 ]
1217	<	*
1218	<	* [target.allow_list] -> [ source1 ] -> [source2 ]
1219	<	*
1220	<	* i.e. a target will have a link list of source pointers it will allow
1221	<	* each source client then has a back pointer pointing back
1222	<	* to the client that has it on its accept list.
1223	<	* This allows for exit_one_client to remove these now bogus entries
1224	<	* from any client having an accept on them.
1166	>	* Diane Bruce, "Dianora" db@db.net
1167		*/
1168
1169	<	/* accept_message()
1170	<	*
1229	<	* inputs       - pointer to source client
1230	<	*              - pointer to target client
1231	<	* output       - 1 if accept this message 0 if not
1232	<	* side effects - See if source is on target's allow list
1233	<	*/
1234	<	int
1235	<	accept_message(struct Client *source, struct Client *target)
1169	>	void
1170	>	del_accept(struct split_nuh_item *accept_p, struct Client *client_p)
1171		{
1172	<	dlink_node *ptr;
1238	<
1239	<	DLINK_FOREACH(ptr, target->allow_list.head)
1240	<	{
1241	<	struct Client *target_p = ptr->data;
1242	<
1243	<	if (source == target_p)
1244	<	return (1);
1245	<	}
1246	<
1247	<	if (IsSoftCallerId(target))
1248	<	{
1249	<	DLINK_FOREACH(ptr, target->channel.head)
1250	<	if (IsMember(source, ((struct Membership *)ptr->data)->chptr))
1251	<	return (1);
1252	<	}
1172	>	dlinkDelete(&accept_p->node, &client_p->localClient->acceptlist);
1173
1174	<	return (0);
1174	>	MyFree(accept_p->nickptr);
1175	>	MyFree(accept_p->userptr);
1176	>	MyFree(accept_p->hostptr);
1177	>	MyFree(accept_p);
1178		}
1179
1180	<	/* del_from_accept()
1181	<	*
1182	<	* inputs       - pointer to source client
1260	<	*              - pointer to target client
1261	<	* output       - NONE
1262	<	* side effects - Delete's source pointer to targets allow list
1263	<	*
1264	<	* Walk through the target's accept list, remove if source is found,
1265	<	* Then walk through the source's on_accept_list remove target if found.
1266	<	*/
1267	<	void
1268	<	del_from_accept(struct Client *source, struct Client *target)
1180	>	struct split_nuh_item *
1181	>	find_accept(const char *nick, const char *user,
1182	>	const char *host, struct Client *client_p, int do_match)
1183		{
1184	<	dlink_node *ptr;
1185	<	dlink_node *ptr2;
1186	<	dlink_node *next_ptr;
1273	<	dlink_node *next_ptr2;
1274	<	struct Client *target_p;
1184	>	dlink_node *ptr = NULL;
1185	>	/* XXX We wouldn't need that if match() would return 0 on match */
1186	>	int (*cmpfunc)(const char *, const char *) = do_match ? match : irccmp;
1187
1188	<	DLINK_FOREACH_SAFE(ptr, next_ptr, target->allow_list.head)
1188	>	DLINK_FOREACH(ptr, client_p->localClient->acceptlist.head)
1189		{
1190	<	target_p = ptr->data;
1279	<
1280	<	if (source == target_p)
1281	<	{
1282	<	dlinkDelete(ptr, &target->allow_list);
1283	<	free_dlink_node(ptr);
1284	<
1285	<	DLINK_FOREACH_SAFE(ptr2, next_ptr2, source->on_allow_list.head)
1286	<	{
1287	<	target_p = ptr2->data;
1190	>	struct split_nuh_item *accept_p = ptr->data;
1191
1192	<	if (target == target_p)
1193	<	{
1194	<	dlinkDelete(ptr2, &source->on_allow_list);
1195	<	free_dlink_node(ptr2);
1293	<	}
1294	<	}
1295	<	}
1192	>	if (cmpfunc(accept_p->nickptr, nick) == do_match &&
1193	>	cmpfunc(accept_p->userptr, user) == do_match &&
1194	>	cmpfunc(accept_p->hostptr, host) == do_match)
1195	>	return accept_p;
1196		}
1297	–	}
1197
1198	<	/* del_all_accepts()
1300	<	*
1301	<	* inputs       - pointer to exiting client
1302	<	* output       - NONE
1303	<	* side effects - Walk through given clients allow_list and on_allow_list
1304	<	*                remove all references to this client
1305	<	*/
1306	<	void
1307	<	del_all_accepts(struct Client *client_p)
1308	<	{
1309	<	dlink_node *ptr, *next_ptr;
1310	<
1311	<	DLINK_FOREACH_SAFE(ptr, next_ptr, client_p->allow_list.head)
1312	<	del_from_accept(ptr->data, client_p);
1313	<
1314	<	DLINK_FOREACH_SAFE(ptr, next_ptr, client_p->on_allow_list.head)
1315	<	del_from_accept(client_p, ptr->data);
1198	>	return NULL;
1199		}
1200
1201	<	/* del_all_their_accepts()
1319	<	*
1320	<	* inputs       - pointer to exiting client
1321	<	* output       - NONE
1322	<	* side effects - Walk through given clients on_allow_list
1323	<	*                remove all references to this client,
1324	<	*                allow this client to keep their own allow_list
1325	<	*/
1326	<	void
1327	<	del_all_their_accepts(struct Client *client_p)
1328	<	{
1329	<	dlink_node *ptr, *next_ptr;
1330	<
1331	<	DLINK_FOREACH_SAFE(ptr, next_ptr, client_p->on_allow_list.head)
1332	<	del_from_accept(client_p, ptr->data);
1333	<	}
1334	<
1335	<	/* set_initial_nick()
1336	<	*
1337	<	* inputs
1338	<	* output
1339	<	* side effects -
1201	>	/* accept_message()
1202		*
1203	<	* This function is only called to set up an initially registering
1204	<	* client.
1203	>	* inputs       - pointer to source client
1204	>	*              - pointer to target client
1205	>	* output       - 1 if accept this message 0 if not
1206	>	* side effects - See if source is on target's allow list
1207		*/
1208	<	void
1209	<	set_initial_nick(struct Client *client_p, struct Client *source_p,
1210	<	const char *nick)
1208	>	int
1209	>	accept_message(struct Client *source,
1210	>	struct Client *target)
1211		{
1212	<	char buf[USERLEN + 1];
1212	>	dlink_node *ptr = NULL;
1213
1214	<	/* Client setting NICK the first time */
1215	<
1216	<	/* This had to be copied here to avoid problems.. */
1353	<	source_p->tsinfo = CurrentTime;
1354	<	source_p->localClient->registration &= ~REG_NEED_NICK;
1355	<
1356	<	if (source_p->name[0])
1357	<	hash_del_client(source_p);
1358	<
1359	<	strlcpy(source_p->name, nick, sizeof(source_p->name));
1360	<	hash_add_client(source_p);
1214	>	if (source == target || find_accept(source->name, source->username,
1215	>	source->host, target, 1))
1216	>	return 1;
1217
1218	<	/* fd_desc is long enough */
1219	<	fd_note(&client_p->localClient->fd, "Nick: %s", nick);
1220	<
1221	<	/* They have the nick they want now.. */
1366	<	client_p->llname[0] = '\0';
1367	<
1368	<	if (!source_p->localClient->registration)
1369	<	{
1370	<	strlcpy(buf, source_p->username, sizeof(buf));
1218	>	if (HasUMode(target, UMODE_SOFTCALLERID))
1219	>	DLINK_FOREACH(ptr, target->channel.head)
1220	>	if (IsMember(source, ((struct Membership *)ptr->data)->chptr))
1221	>	return 1;
1222
1223	<	/*
1373	<	* USER already received, now we have NICK.
1374	<	* *NOTE* For servers "NICK" *must* precede the
1375	<	* user message (giving USER before NICK is possible
1376	<	* only for local client connection!). register_user
1377	<	* may reject the client and call exit_client for it
1378	<	* --must test this and exit m_nick too!!!
1379	<	*/
1380	<	register_local_user(client_p, source_p, nick, buf);
1381	<	}
1223	>	return 0;
1224		}
1225
1226	<	/* change_local_nick()
1226	>	/* del_all_accepts()
1227		*
1228	<	* inputs       - pointer to server
1229	<	*              - pointer to client
1230	<	*              - nick
1389	<	* output       -
1390	<	* side effects - changes nick of a LOCAL user
1228	>	* inputs       - pointer to exiting client
1229	>	* output       - NONE
1230	>	* side effects - Walk through given clients acceptlist and remove all entries
1231		*/
1232		void
1233	<	change_local_nick(struct Client *client_p, struct Client *source_p, const char *nick)
1233	>	del_all_accepts(struct Client *client_p)
1234		{
1235	<	int samenick = 0;
1396	<
1397	<	/*
1398	<	** Client just changing his/her nick. If he/she is
1399	<	** on a channel, send note of change to all clients
1400	<	** on that channel. Propagate notice to other servers.
1401	<	*/
1402	<	if ((source_p->localClient->last_nick_change +
1403	<	ConfigFileEntry.max_nick_time) < CurrentTime)
1404	<	source_p->localClient->number_of_nick_changes = 0;
1405	<	source_p->localClient->last_nick_change = CurrentTime;
1406	<	source_p->localClient->number_of_nick_changes++;
1407	<
1408	<	if ((ConfigFileEntry.anti_nick_flood &&
1409	<	(source_p->localClient->number_of_nick_changes
1410	<	<= ConfigFileEntry.max_nick_changes)) ||
1411	<	!ConfigFileEntry.anti_nick_flood ||
1412	<	(IsOper(source_p) && ConfigFileEntry.no_oper_flood))
1413	<	{
1414	<	samenick = !irccmp(source_p->name, nick);
1415	<
1416	<	if (!samenick)
1417	<	{
1418	<	/*
1419	<	* Make sure everyone that has this client on its accept list
1420	<	* loses that reference.
1421	<	*/
1422	<	del_all_their_accepts(source_p);
1423	<	source_p->tsinfo = CurrentTime;
1424	<	clear_ban_cache_client(source_p);
1425	<	}
1426	<
1427	<	/* XXX - the format of this notice should eventually be changed
1428	<	* to either %s[%s@%s], or even better would be get_client_name() -bill
1429	<	*/
1430	<	sendto_realops_flags(UMODE_NCHANGE, L_ALL, "Nick change: From %s to %s [%s@%s]",
1431	<	source_p->name, nick, source_p->username, source_p->host);
1432	<	sendto_common_channels_local(source_p, 1, ":%s!%s@%s NICK :%s",
1433	<	source_p->name, source_p->username,
1434	<	source_p->host, nick);
1435	<	add_history(source_p, 1);
1436	<
1437	<	/*
1438	<	* Only hubs care about lazy link nicks not being sent on yet
1439	<	* lazylink leafs/leafs always send their nicks up to hub,
1440	<	* hence must always propagate nick changes.
1441	<	* hubs might not propagate a nick change, if the leaf
1442	<	* does not know about that client yet.
1443	<	*/
1444	<	sendto_server(client_p, source_p, NULL, CAP_TS6, NOCAPS, NOFLAGS,
1445	<	":%s NICK %s :%lu",
1446	<	ID(source_p), nick, (unsigned long)source_p->tsinfo);
1447	<	sendto_server(client_p, source_p, NULL, NOCAPS, CAP_TS6, NOFLAGS,
1448	<	":%s NICK %s :%lu",
1449	<	source_p->name, nick, (unsigned long)source_p->tsinfo);
1450	<	}
1451	<	else
1452	<	{
1453	<	sendto_one(source_p, form_str(ERR_NICKTOOFAST),
1454	<	me.name, source_p->name, source_p->name,
1455	<	nick, ConfigFileEntry.max_nick_time);
1456	<	return;
1457	<	}
1458	<
1459	<	/* Finally, add to hash */
1460	<	if (source_p->name[0])
1461	<	hash_del_client(source_p);
1462	<
1463	<	if (!samenick)
1464	<	{
1465	<	clear_ban_cache_client(source_p);
1466	<	watch_check_hash(source_p, RPL_LOGOFF);
1467	<	}
1468	<
1469	<	strcpy(source_p->name, nick);
1470	<	hash_add_client(source_p);
1471	<
1472	<	if (!samenick)
1473	<	watch_check_hash(source_p, RPL_LOGON);
1235	>	dlink_node *ptr = NULL, *next_ptr = NULL;
1236
1237	<	/* fd_desc is long enough */
1238	<	fd_note(&client_p->localClient->fd, "Nick: %s", nick);
1237	>	DLINK_FOREACH_SAFE(ptr, next_ptr, client_p->localClient->acceptlist.head)
1238	>	del_accept(ptr->data, client_p);
1239		}

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