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

Comparing ircd-hybrid/trunk/src/channel.c (file contents):
Revision 5983 by michael, Mon May 25 15:24:48 2015 UTC vs.
Revision 7012 by michael, Fri Jan 1 13:52:27 2016 UTC

#	Line 1 | Line 1
1		/*
2		*  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3		*
4	<	*  Copyright (c) 1997-2015 ircd-hybrid development team
4	>	*  Copyright (c) 1997-2016 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 47 | Line 47
47		dlink_list channel_list;
48		mp_pool_t *ban_pool;    /*! \todo ban_pool shouldn't be a global var */
49
50	–	struct event splitmode_event =
51	–	{
52	–	.name = "check_splitmode",
53	–	.handler = check_splitmode,
54	–	.when = 5
55	–	};
56	–
50		static mp_pool_t *member_pool, *channel_pool;
51
52
#	Line 62 | Line 55 | static mp_pool_t *member_pool, *channel_
55		void
56		channel_init(void)
57		{
58	<	add_capability("EX", CAP_EX);
59	<	add_capability("IE", CAP_IE);
58	>	add_capability("EX", CAPAB_EX);
59	>	add_capability("IE", CAPAB_IE);
60
61		channel_pool = mp_pool_new(sizeof(struct Channel), MP_CHUNK_SIZE_CHANNEL);
62		ban_pool = mp_pool_new(sizeof(struct Ban), MP_CHUNK_SIZE_BAN);
#	Line 73 | Line 66 | channel_init(void)
66		/*! \brief Adds a user to a channel by adding another link to the
67		*         channels member chain.
68		* \param chptr      Pointer to channel to add client to
69	<	* \param who        Pointer to client (who) to add
69	>	* \param client_p   Pointer to client (who) to add
70		* \param flags      Flags for chanops etc
71		* \param flood_ctrl Whether to count this join in flood calculations
72		*/
73		void
74	<	add_user_to_channel(struct Channel *chptr, struct Client *who,
74	>	add_user_to_channel(struct Channel *chptr, struct Client *client_p,
75		unsigned int flags, int flood_ctrl)
76		{
77		struct Membership *member = NULL;
78
79	<	assert(IsClient(who));
79	>	assert(IsClient(client_p));
80
81		if (GlobalSetOptions.joinfloodtime > 0)
82		{
#	Line 108 | Line 101 | add_user_to_channel(struct Channel *chpt
101		SetJoinFloodNoticed(chptr);
102		sendto_realops_flags(UMODE_BOTS, L_ALL, SEND_NOTICE,
103		"Possible Join Flooder %s on %s target: %s",
104	<	get_client_name(who, HIDE_IP),
105	<	who->servptr->name, chptr->name);
104	>	get_client_name(client_p, HIDE_IP),
105	>	client_p->servptr->name, chptr->name);
106		}
107		}
108
#	Line 117 | Line 110 | add_user_to_channel(struct Channel *chpt
110		}
111
112		member = mp_pool_get(member_pool);
113	<	member->client_p = who;
113	>	member->client_p = client_p;
114		member->chptr = chptr;
115		member->flags = flags;
116
117		dlinkAdd(member, &member->channode, &chptr->members);
118
119	<	if (MyConnect(who))
119	>	if (MyConnect(client_p))
120		dlinkAdd(member, &member->locchannode, &chptr->locmembers);
121
122	<	dlinkAdd(member, &member->usernode, &who->channel);
122	>	dlinkAdd(member, &member->usernode, &client_p->channel);
123		}
124
125		/*! \brief Deletes an user from a channel by removing a link in the
#	Line 149 | Line 142 | remove_user_from_channel(struct Membersh
142		mp_pool_release(member);
143
144		if (chptr->members.head == NULL)
145	<	destroy_channel(chptr);
145	>	channel_free(chptr);
146		}
147
148	<	/* send_members()
148	>	/* channel_send_members()
149		*
150		* inputs       -
151		* output       - NONE
152		* side effects -
153		*/
154		static void
155	<	send_members(struct Client *client_p, const struct Channel *chptr,
156	<	char *modebuf, char *parabuf)
155	>	channel_send_members(struct Client *client_p, const struct Channel *chptr,
156	>	char *modebuf, char *parabuf)
157		{
158		char buf[IRCD_BUFSIZE] = "";
159		const dlink_node *node = NULL;
160		int tlen;              /* length of text to append */
161		char *t, *start;       /* temp char pointer */
162
163	<	start = t = buf + snprintf(buf, sizeof(buf), ":%s SJOIN %lu %s %s %s:",
164	<	me.id, (unsigned long)chptr->creationtime,
163	>	start = t = buf + snprintf(buf, sizeof(buf), ":%s SJOIN %ju %s %s %s:",
164	>	me.id, chptr->creationtime,
165		chptr->name, modebuf, parabuf);
166
167		DLINK_FOREACH(node, chptr->members.head)
#	Line 222 | Line 215 | send_members(struct Client *client_p, co
215		* \param flag     Char flag flagging type of mode. Currently this can be 'b', e' or 'I'
216		*/
217		static void
218	<	send_mode_list(struct Client *client_p, const struct Channel *chptr,
219	<	const dlink_list *list, const char flag)
218	>	channel_send_mask_list(struct Client *client_p, const struct Channel *chptr,
219	>	const dlink_list *list, const char flag)
220		{
221		const dlink_node *node = NULL;
222		char mbuf[IRCD_BUFSIZE] = "";
#	Line 231 | Line 224 | send_mode_list(struct Client *client_p,
224		int tlen, mlen, cur_len;
225		char *pp = pbuf;
226
227	<	if (!list->length)
227	>	if (!dlink_list_length(list))
228		return;
229
230	<	mlen = snprintf(mbuf, sizeof(mbuf), ":%s BMASK %lu %s %c :", me.id,
231	<	(unsigned long)chptr->creationtime, chptr->name, flag);
230	>	mlen = snprintf(mbuf, sizeof(mbuf), ":%s BMASK %ju %s %c :", me.id,
231	>	chptr->creationtime, chptr->name, flag);
232		cur_len = mlen;
233
234		DLINK_FOREACH(node, list->head)
#	Line 269 | Line 262 | send_mode_list(struct Client *client_p,
262		* \param chptr    Pointer to channel pointer
263		*/
264		void
265	<	send_channel_modes(struct Client *client_p, struct Channel *chptr)
265	>	channel_send_modes(struct Client *client_p, struct Channel *chptr)
266		{
267		char modebuf[MODEBUFLEN] = "";
268		char parabuf[MODEBUFLEN] = "";
269
270		channel_modes(chptr, client_p, modebuf, parabuf);
271	<	send_members(client_p, chptr, modebuf, parabuf);
271	>	channel_send_members(client_p, chptr, modebuf, parabuf);
272
273	<	send_mode_list(client_p, chptr, &chptr->banlist, 'b');
274	<	send_mode_list(client_p, chptr, &chptr->exceptlist, 'e');
275	<	send_mode_list(client_p, chptr, &chptr->invexlist, 'I');
273	>	channel_send_mask_list(client_p, chptr, &chptr->banlist, 'b');
274	>	channel_send_mask_list(client_p, chptr, &chptr->exceptlist, 'e');
275	>	channel_send_mask_list(client_p, chptr, &chptr->invexlist, 'I');
276		}
277
278		/*! \brief Check channel name for invalid characters
#	Line 288 | Line 281 | send_channel_modes(struct Client *client
281		* \return 0 if invalid, 1 otherwise
282		*/
283		int
284	<	check_channel_name(const char *name, const int local)
284	>	channel_check_name(const char *name, const int local)
285		{
286		const char *p = name;
287
#	Line 320 | Line 313 | remove_ban(struct Ban *ban, dlink_list *
313		mp_pool_release(ban);
314		}
315
316	<	/* free_channel_list()
316	>	/* channel_free_mask_list()
317		*
318		* inputs       - pointer to dlink_list
319		* output       - NONE
320		* side effects -
321		*/
322	<	void
323	<	free_channel_list(dlink_list *list)
322	>	static void
323	>	channel_free_mask_list(dlink_list *list)
324		{
325		dlink_node *node = NULL, *node_next = NULL;
326
#	Line 341 | Line 334 | free_channel_list(dlink_list *list)
334		* \return Channel block
335		*/
336		struct Channel *
337	<	make_channel(const char *name)
337	>	channel_make(const char *name)
338		{
339		struct Channel *chptr = NULL;
340
#	Line 353 | Line 346 | make_channel(const char *name)
346		chptr->creationtime = CurrentTime;
347		chptr->last_join_time = CurrentTime;
348
349	<	strlcpy(chptr->name, name, sizeof(chptr->name));
350	<	dlinkAdd(chptr, &chptr->node, &channel_list);
349	>	chptr->name_len = strlcpy(chptr->name, name, sizeof(chptr->name));
350	>	if (chptr->name_len >= sizeof(chptr->name))
351	>	chptr->name_len = sizeof(chptr->name) - 1;
352
353	+	dlinkAdd(chptr, &chptr->node, &channel_list);
354		hash_add_channel(chptr);
355
356		return chptr;
#	Line 365 | Line 360 | make_channel(const char *name)
360		* \param chptr Channel pointer
361		*/
362		void
363	<	destroy_channel(struct Channel *chptr)
363	>	channel_free(struct Channel *chptr)
364		{
365		clear_invites_channel(chptr);
366
367		/* Free ban/exception/invex lists */
368	<	free_channel_list(&chptr->banlist);
369	<	free_channel_list(&chptr->exceptlist);
370	<	free_channel_list(&chptr->invexlist);
368	>	channel_free_mask_list(&chptr->banlist);
369	>	channel_free_mask_list(&chptr->exceptlist);
370	>	channel_free_mask_list(&chptr->invexlist);
371
372		dlinkDelete(&chptr->node, &channel_list);
373		hash_del_channel(chptr);
#	Line 395 | Line 390 | channel_pub_or_secret(const struct Chann
390		}
391
392		/*! \brief lists all names on given channel
393	<	* \param source_p Pointer to client struct requesting names
393	>	* \param client_p Pointer to client struct requesting names
394		* \param chptr    Pointer to channel block
395		* \param show_eon Show RPL_ENDOFNAMES numeric or not
396		*                 (don't want it with /names with no params)
397		*/
398		void
399	<	channel_member_names(struct Client *source_p, struct Channel *chptr,
399	>	channel_member_names(struct Client *client_p, struct Channel *chptr,
400		int show_eon)
401		{
402		const dlink_node *node = NULL;
403		char buf[IRCD_BUFSIZE + 1] = "";
404		char *t = NULL, *start = NULL;
405		int tlen = 0;
406	<	const int is_member = IsMember(source_p, chptr);
407	<	const int multi_prefix = HasCap(source_p, CAP_MULTI_PREFIX) != 0;
408	<	const int uhnames = HasCap(source_p, CAP_UHNAMES) != 0;
406	>	const int is_member = IsMember(client_p, chptr);
407	>	const int multi_prefix = HasCap(client_p, CAP_MULTI_PREFIX) != 0;
408	>	const int uhnames = HasCap(client_p, CAP_UHNAMES) != 0;
409
410	<	assert(IsClient(source_p));
410	>	assert(IsClient(client_p));
411
412		if (PubChannel(chptr) || is_member)
413		{
414		t = buf + snprintf(buf, sizeof(buf), numeric_form(RPL_NAMREPLY),
415	<	me.name, source_p->name,
415	>	me.name, client_p->name,
416		channel_pub_or_secret(chptr), chptr->name);
417		start = t;
418
#	Line 452 | Line 447 | channel_member_names(struct Client *sour
447		if (t + tlen - buf > IRCD_BUFSIZE - 2)
448		{
449		*(t - 1) = '\0';
450	<	sendto_one(source_p, "%s", buf);
450	>	sendto_one(client_p, "%s", buf);
451		t = start;
452		}
453
#	Line 468 | Line 463 | channel_member_names(struct Client *sour
463		if (tlen)
464		{
465		*(t - 1) = '\0';
466	<	sendto_one(source_p, "%s", buf);
466	>	sendto_one(client_p, "%s", buf);
467		}
468		}
469
470		if (show_eon)
471	<	sendto_one_numeric(source_p, &me, RPL_ENDOFNAMES, chptr->name);
471	>	sendto_one_numeric(client_p, &me, RPL_ENDOFNAMES, chptr->name);
472		}
473
474		/*! \brief Adds client to invite list
475	<	* \param chptr Pointer to channel block
476	<	* \param who   Pointer to client to add invite to
475	>	* \param chptr    Pointer to channel block
476	>	* \param client_p Pointer to client to add invite to
477		*/
478		void
479	<	add_invite(struct Channel *chptr, struct Client *who)
479	>	add_invite(struct Channel *chptr, struct Client *client_p)
480		{
481	<	assert(IsClient(who));
481	>	assert(IsClient(client_p));
482
483	<	del_invite(chptr, who);
483	>	del_invite(chptr, client_p);
484
485		/*
486		* Delete last link in chain if the list is max length
487		*/
488	<	if (dlink_list_length(&who->connection->invited) >=
488	>	if (dlink_list_length(&client_p->connection->invited) >=
489		ConfigChannel.max_channels)
490	<	del_invite(who->connection->invited.tail->data, who);
490	>	del_invite(client_p->connection->invited.tail->data, client_p);
491
492		/* Add client to channel invite list */
493	<	dlinkAdd(who, make_dlink_node(), &chptr->invites);
493	>	dlinkAdd(client_p, make_dlink_node(), &chptr->invites);
494
495		/* Add channel to the end of the client invite list */
496	<	dlinkAdd(chptr, make_dlink_node(), &who->connection->invited);
496	>	dlinkAdd(chptr, make_dlink_node(), &client_p->connection->invited);
497		}
498
499		/*! \brief Delete Invite block from channel invite list
500		*         and client invite list
501	<	* \param chptr Pointer to Channel struct
502	<	* \param who   Pointer to client to remove invites from
501	>	* \param chptr    Pointer to Channel struct
502	>	* \param client_p Pointer to client to remove invites from
503		*/
504		void
505	<	del_invite(struct Channel *chptr, struct Client *who)
505	>	del_invite(struct Channel *chptr, struct Client *client_p)
506		{
507		dlink_node *node = NULL;
508
509	<	if ((node = dlinkFindDelete(&who->connection->invited, chptr)))
509	>	if ((node = dlinkFindDelete(&client_p->connection->invited, chptr)))
510		free_dlink_node(node);
511
512	<	if ((node = dlinkFindDelete(&chptr->invites, who)))
512	>	if ((node = dlinkFindDelete(&chptr->invites, client_p)))
513		free_dlink_node(node);
514		}
515
#	Line 531 | Line 526 | clear_invites_channel(struct Channel *ch
526		}
527
528		/*! \brief Removes all invites of a specific client
529	<	* \param source_p Pointer to Client struct
529	>	* \param client_p Pointer to Client struct
530		*/
531		void
532	<	clear_invites_client(struct Client *source_p)
532	>	clear_invites_client(struct Client *client_p)
533		{
534		dlink_node *node = NULL, *node_next = NULL;
535
536	<	DLINK_FOREACH_SAFE(node, node_next, source_p->connection->invited.head)
537	<	del_invite(node->data, source_p);
536	>	DLINK_FOREACH_SAFE(node, node_next, client_p->connection->invited.head)
537	>	del_invite(node->data, client_p);
538		}
539
540		/* get_member_status()
#	Line 556 | Line 551 | clear_invites_client(struct Client *sour
551		const char *
552		get_member_status(const struct Membership *member, const int combine)
553		{
554	<	static char buffer[4];  /* 4 for @%+\0 */
554	>	static char buffer[CMEMBER_STATUS_FLAGS_LEN + 1];  /* +1 for \0 */
555		char *p = buffer;
556
557		if (member->flags & CHFL_CHANOP)
#	Line 581 | Line 576 | get_member_status(const struct Membershi
576		}
577
578		/*!
579	<	* \param who  Pointer to Client to check
580	<	* \param list Pointer to ban list to search
579	>	* \param client_p Pointer to Client to check
580	>	* \param list     Pointer to ban list to search
581		* \return 1 if ban found for given n!u\@h mask, 0 otherwise
582		*/
583		static int
584	<	find_bmask(const struct Client *who, const dlink_list *const list)
584	>	find_bmask(const struct Client *client_p, const dlink_list *const list)
585		{
586		const dlink_node *node = NULL;
587
#	Line 594 | Line 589 | find_bmask(const struct Client *who, con
589		{
590		const struct Ban *ban = node->data;
591
592	<	if (!match(ban->name, who->name) && !match(ban->user, who->username))
592	>	if (!match(ban->name, client_p->name) && !match(ban->user, client_p->username))
593		{
594		switch (ban->type)
595		{
596		case HM_HOST:
597	<	if (!match(ban->host, who->host) || !match(ban->host, who->sockhost))
597	>	if (!match(ban->host, client_p->host) || !match(ban->host, client_p->sockhost))
598		return 1;
599		break;
600		case HM_IPV4:
601	<	if (who->connection->aftype == AF_INET)
602	<	if (match_ipv4(&who->connection->ip, &ban->addr, ban->bits))
601	>	if (client_p->connection->aftype == AF_INET)
602	>	if (match_ipv4(&client_p->connection->ip, &ban->addr, ban->bits))
603		return 1;
604		break;
605		case HM_IPV6:
606	<	if (who->connection->aftype == AF_INET6)
607	<	if (match_ipv6(&who->connection->ip, &ban->addr, ban->bits))
606	>	if (client_p->connection->aftype == AF_INET6)
607	>	if (match_ipv6(&client_p->connection->ip, &ban->addr, ban->bits))
608		return 1;
609		break;
610		default:
#	Line 622 | Line 617 | find_bmask(const struct Client *who, con
617		}
618
619		/*!
620	<	* \param chptr Pointer to channel block
621	<	* \param who   Pointer to client to check access fo
620	>	* \param chptr    Pointer to channel block
621	>	* \param client_p Pointer to client to check access fo
622		* \return 0 if not banned, 1 otherwise
623		*/
624		int
625	<	is_banned(const struct Channel *chptr, const struct Client *who)
625	>	is_banned(const struct Channel *chptr, const struct Client *client_p)
626		{
627	<	if (find_bmask(who, &chptr->banlist))
628	<	if (!find_bmask(who, &chptr->exceptlist))
627	>	if (find_bmask(client_p, &chptr->banlist))
628	>	if (!find_bmask(client_p, &chptr->exceptlist))
629		return 1;
630
631		return 0;
632		}
633
634		/*! Tests if a client can join a certain channel
635	<	* \param source_p Pointer to client attempting to join
635	>	* \param client_p Pointer to client attempting to join
636		* \param chptr    Pointer to channel
637		* \param key      Key sent by client attempting to join if present
638		* \return ERR_BANNEDFROMCHAN, ERR_INVITEONLYCHAN, ERR_CHANNELISFULL
639		*         or 0 if allowed to join.
640		*/
641	<	int
642	<	can_join(struct Client *source_p, const struct Channel *chptr, const char *key)
641	>	static int
642	>	can_join(struct Client *client_p, const struct Channel *chptr, const char *key)
643		{
644	<	if ((chptr->mode.mode & MODE_SSLONLY) && !HasUMode(source_p, UMODE_SSL))
644	>	if ((chptr->mode.mode & MODE_SSLONLY) && !HasUMode(client_p, UMODE_SSL))
645		return ERR_SSLONLYCHAN;
646
647	<	if ((chptr->mode.mode & MODE_REGONLY) && !HasUMode(source_p, UMODE_REGISTERED))
647	>	if ((chptr->mode.mode & MODE_REGONLY) && !HasUMode(client_p, UMODE_REGISTERED))
648		return ERR_NEEDREGGEDNICK;
649
650	<	if ((chptr->mode.mode & MODE_OPERONLY) && !HasUMode(source_p, UMODE_OPER))
650	>	if ((chptr->mode.mode & MODE_OPERONLY) && !HasUMode(client_p, UMODE_OPER))
651		return ERR_OPERONLYCHAN;
652
653		if (chptr->mode.mode & MODE_INVITEONLY)
654	<	if (!dlinkFind(&source_p->connection->invited, chptr))
655	<	if (!find_bmask(source_p, &chptr->invexlist))
654	>	if (!dlinkFind(&client_p->connection->invited, chptr))
655	>	if (!find_bmask(client_p, &chptr->invexlist))
656		return ERR_INVITEONLYCHAN;
657
658		if (chptr->mode.key[0] && (!key || strcmp(chptr->mode.key, key)))
#	Line 667 | Line 662 | can_join(struct Client *source_p, const
662		chptr->mode.limit)
663		return ERR_CHANNELISFULL;
664
665	<	if (is_banned(chptr, source_p))
665	>	if (is_banned(chptr, client_p))
666		return ERR_BANNEDFROMCHAN;
667
668		return 0;
#	Line 736 | Line 731 | msg_has_ctrls(const char *message)
731
732		/*! Tests if a client can send to a channel
733		* \param chptr    Pointer to Channel struct
734	<	* \param source_p Pointer to Client struct
734	>	* \param client_p Pointer to Client struct
735		* \param member   Pointer to Membership struct (can be NULL)
736		* \param message  The actual message string the client wants to send
737		* \return CAN_SEND_OPV if op or voiced on channel\n
#	Line 744 | Line 739 | msg_has_ctrls(const char *message)
739		*         ERR_CANNOTSENDTOCHAN or ERR_NEEDREGGEDNICK if they cannot send to channel\n
740		*/
741		int
742	<	can_send(struct Channel *chptr, struct Client *source_p,
743	<	struct Membership *member, const char *message)
742	>	can_send(struct Channel *chptr, struct Client *client_p,
743	>	struct Membership *member, const char *message, int notice)
744		{
745		const struct MaskItem *conf = NULL;
746
747	<	if (IsServer(source_p) || HasFlag(source_p, FLAGS_SERVICE))
747	>	if (IsServer(client_p) || HasFlag(client_p, FLAGS_SERVICE))
748		return CAN_SEND_OPV;
749
750	<	if (MyClient(source_p) && !IsExemptResv(source_p))
751	<	if (!(HasUMode(source_p, UMODE_OPER) && ConfigGeneral.oper_pass_resv))
752	<	if ((conf = match_find_resv(chptr->name)) && !resv_find_exempt(source_p, conf))
750	>	if (MyClient(client_p) && !HasFlag(client_p, FLAGS_EXEMPTRESV))
751	>	if (!(HasUMode(client_p, UMODE_OPER) && HasOFlag(client_p, OPER_FLAG_JOIN_RESV)))
752	>	if ((conf = match_find_resv(chptr->name)) && !resv_find_exempt(client_p, conf))
753		return ERR_CANNOTSENDTOCHAN;
754
755		if ((chptr->mode.mode & MODE_NOCTRL) && msg_has_ctrls(message))
#	Line 764 | Line 759 | can_send(struct Channel *chptr, struct C
759		if (*message == '\001' && strncmp(message + 1, "ACTION ", 7))
760		return ERR_NOCTCP;
761
762	<	if (member || (member = find_channel_link(source_p, chptr)))
762	>	if (member || (member = find_channel_link(client_p, chptr)))
763		if (member->flags & (CHFL_CHANOP | CHFL_HALFOP | CHFL_VOICE))
764		return CAN_SEND_OPV;
765
#	Line 774 | Line 769 | can_send(struct Channel *chptr, struct C
769		if (chptr->mode.mode & MODE_MODERATED)
770		return ERR_CANNOTSENDTOCHAN;
771
772	<	if ((chptr->mode.mode & MODE_MODREG) && !HasUMode(source_p, UMODE_REGISTERED))
772	>	if ((chptr->mode.mode & MODE_MODREG) && !HasUMode(client_p, UMODE_REGISTERED))
773		return ERR_NEEDREGGEDNICK;
774
775	+	if ((chptr->mode.mode & MODE_NONOTICE) && notice)
776	+	return ERR_CANNOTSENDTOCHAN;
777	+
778		/* Cache can send if banned */
779	<	if (MyClient(source_p))
779	>	if (MyClient(client_p))
780		{
781		if (member)
782		{
#	Line 787 | Line 785 | can_send(struct Channel *chptr, struct C
785
786		if (!(member->flags & CHFL_BAN_CHECKED))
787		{
788	<	if (is_banned(chptr, source_p))
788	>	if (is_banned(chptr, client_p))
789		{
790		member->flags |= (CHFL_BAN_CHECKED | CHFL_BAN_SILENCED);
791		return ERR_CANNOTSENDTOCHAN;
#	Line 796 | Line 794 | can_send(struct Channel *chptr, struct C
794		member->flags |= CHFL_BAN_CHECKED;
795		}
796		}
797	<	else if (is_banned(chptr, source_p))
797	>	else if (is_banned(chptr, client_p))
798		return ERR_CANNOTSENDTOCHAN;
799		}
800
#	Line 806 | Line 804 | can_send(struct Channel *chptr, struct C
804		/*! \brief Updates the client's oper_warn_count_down, warns the
805		*         IRC operators if necessary, and updates
806		*         join_leave_countdown as needed.
807	<	* \param source_p Pointer to struct Client to check
807	>	* \param client_p Pointer to struct Client to check
808		* \param name     Channel name or NULL if this is a part.
809		*/
810		void
811	<	check_spambot_warning(struct Client *source_p, const char *name)
811	>	check_spambot_warning(struct Client *client_p, const char *name)
812		{
813		int t_delta = 0;
814		int decrement_count = 0;
815
816		if ((GlobalSetOptions.spam_num &&
817	<	(source_p->connection->join_leave_count >=
817	>	(client_p->connection->join_leave_count >=
818		GlobalSetOptions.spam_num)))
819		{
820	<	if (source_p->connection->oper_warn_count_down > 0)
821	<	source_p->connection->oper_warn_count_down--;
820	>	if (client_p->connection->oper_warn_count_down > 0)
821	>	client_p->connection->oper_warn_count_down--;
822		else
823	<	source_p->connection->oper_warn_count_down = 0;
823	>	client_p->connection->oper_warn_count_down = 0;
824
825	<	if (source_p->connection->oper_warn_count_down == 0)
825	>	if (client_p->connection->oper_warn_count_down == 0)
826		{
827		/* It's already known as a possible spambot */
828		if (name)
829		sendto_realops_flags(UMODE_BOTS, L_ALL, SEND_NOTICE,
830		"User %s (%s@%s) trying to join %s is a possible spambot",
831	<	source_p->name, source_p->username,
832	<	source_p->host, name);
831	>	client_p->name, client_p->username,
832	>	client_p->host, name);
833		else
834		sendto_realops_flags(UMODE_BOTS, L_ALL, SEND_NOTICE,
835		"User %s (%s@%s) is a possible spambot",
836	<	source_p->name, source_p->username,
837	<	source_p->host);
838	<	source_p->connection->oper_warn_count_down = OPER_SPAM_COUNTDOWN;
836	>	client_p->name, client_p->username,
837	>	client_p->host);
838	>	client_p->connection->oper_warn_count_down = OPER_SPAM_COUNTDOWN;
839		}
840		}
841		else
842		{
843	<	if ((t_delta = (CurrentTime - source_p->connection->last_leave_time)) >
843	>	if ((t_delta = (CurrentTime - client_p->connection->last_leave_time)) >
844		JOIN_LEAVE_COUNT_EXPIRE_TIME)
845		{
846		decrement_count = (t_delta / JOIN_LEAVE_COUNT_EXPIRE_TIME);
847
848	<	if (decrement_count > source_p->connection->join_leave_count)
849	<	source_p->connection->join_leave_count = 0;
848	>	if (decrement_count > client_p->connection->join_leave_count)
849	>	client_p->connection->join_leave_count = 0;
850		else
851	<	source_p->connection->join_leave_count -= decrement_count;
851	>	client_p->connection->join_leave_count -= decrement_count;
852		}
853		else
854		{
855	<	if ((CurrentTime - (source_p->connection->last_join_time)) <
855	>	if ((CurrentTime - (client_p->connection->last_join_time)) <
856		GlobalSetOptions.spam_time)
857	<	source_p->connection->join_leave_count++;  /* It's a possible spambot */
857	>	client_p->connection->join_leave_count++;  /* It's a possible spambot */
858		}
859
860		if (name)
861	<	source_p->connection->last_join_time = CurrentTime;
861	>	client_p->connection->last_join_time = CurrentTime;
862		else
863	<	source_p->connection->last_leave_time = CurrentTime;
866	<	}
867	<	}
868	<
869	<	/*! \brief Compares usercount and servercount against their split
870	<	*         values and adjusts splitmode accordingly
871	<	* \param unused Unused address pointer
872	<	*/
873	<	void
874	<	check_splitmode(void *unused)
875	<	{
876	<	if (splitchecking && (ConfigChannel.no_join_on_split ||
877	<	ConfigChannel.no_create_on_split))
878	<	{
879	<	const unsigned int server = dlink_list_length(&global_server_list);
880	<
881	<	if (!splitmode && ((server < split_servers) || (Count.total < split_users)))
882	<	{
883	<	splitmode = 1;
884	<
885	<	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
886	<	"Network split, activating splitmode");
887	<	event_add(&splitmode_event, NULL);
888	<	}
889	<	else if (splitmode && (server >= split_servers) && (Count.total >= split_users))
890	<	{
891	<	splitmode = 0;
892	<
893	<	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
894	<	"Network rejoined, deactivating splitmode");
895	<	event_delete(&splitmode_event);
896	<	}
863	>	client_p->connection->last_leave_time = CurrentTime;
864		}
865		}
866
#	Line 927 | Line 894 | channel_set_topic(struct Channel *chptr,
894		*                anti spambot code.
895		*/
896		void
897	<	channel_do_join_0(struct Client *source_p)
897	>	channel_do_join_0(struct Client *client_p)
898		{
899		dlink_node *node = NULL, *node_next = NULL;
900
901	<	if (source_p->channel.head)
902	<	if (MyConnect(source_p) && !HasUMode(source_p, UMODE_OPER))
903	<	check_spambot_warning(source_p, NULL);
901	>	if (client_p->channel.head)
902	>	if (MyConnect(client_p) && !HasUMode(client_p, UMODE_OPER))
903	>	check_spambot_warning(client_p, NULL);
904
905	<	DLINK_FOREACH_SAFE(node, node_next, source_p->channel.head)
905	>	DLINK_FOREACH_SAFE(node, node_next, client_p->channel.head)
906		{
907		struct Channel *chptr = ((struct Membership *)node->data)->chptr;
908
909	<	sendto_server(source_p, 0, 0, ":%s PART %s",
910	<	source_p->id, chptr->name);
911	<	sendto_channel_local(0, chptr, ":%s!%s@%s PART %s",
912	<	source_p->name, source_p->username,
913	<	source_p->host, chptr->name);
909	>	sendto_server(client_p, 0, 0, ":%s PART %s",
910	>	client_p->id, chptr->name);
911	>	sendto_channel_local(NULL, chptr, 0, 0, 0, ":%s!%s@%s PART %s",
912	>	client_p->name, client_p->username,
913	>	client_p->host, chptr->name);
914
915		remove_user_from_channel(node->data);
916		}
917		}
918
919		static char *
920	<	channel_find_last0(struct Client *source_p, char *chanlist)
920	>	channel_find_last0(struct Client *client_p, char *chanlist)
921		{
922		int join0 = 0;
923
#	Line 975 | Line 942 | channel_find_last0(struct Client *source
942		}
943
944		if (join0)
945	<	channel_do_join_0(source_p);
945	>	channel_do_join_0(client_p);
946
947		return chanlist;
948		}
949
950		void
951	<	channel_do_join(struct Client *source_p, char *channel, char *key_list)
951	>	channel_do_join(struct Client *client_p, char *channel, char *key_list)
952		{
953		char *p = NULL;
954		char *chan = NULL;
955		char *chan_list = NULL;
956		struct Channel *chptr = NULL;
957		struct MaskItem *conf = NULL;
958	<	const struct ClassItem *const class = get_class_ptr(&source_p->connection->confs);
958	>	const struct ClassItem *const class = get_class_ptr(&client_p->connection->confs);
959		int i = 0;
960		unsigned int flags = 0;
961
962	<	assert(IsClient(source_p));
962	>	assert(IsClient(client_p));
963
964	<	chan_list = channel_find_last0(source_p, channel);
964	>	chan_list = channel_find_last0(client_p, channel);
965
966	<	for (chan = strtoken(&p, chan_list, ","); chan;
967	<	chan = strtoken(&p,      NULL, ","))
966	>	for (chan = strtok_r(chan_list, ",", &p); chan;
967	>	chan = strtok_r(NULL,      ",", &p))
968		{
969		const char *key = NULL;
970
#	Line 1009 | Line 976 | channel_do_join(struct Client *source_p,
976		if (key && *key == '\0')
977		key = NULL;
978
979	<	if (!check_channel_name(chan, 1))
979	>	if (!channel_check_name(chan, 1))
980		{
981	<	sendto_one_numeric(source_p, &me, ERR_BADCHANNAME, chan);
981	>	sendto_one_numeric(client_p, &me, ERR_BADCHANNAME, chan);
982		continue;
983		}
984
985	<	if (!IsExemptResv(source_p) &&
986	<	!(HasUMode(source_p, UMODE_OPER) && ConfigGeneral.oper_pass_resv) &&
987	<	((conf = match_find_resv(chan)) && !resv_find_exempt(source_p, conf)))
985	>	if (!HasFlag(client_p, FLAGS_EXEMPTRESV) &&
986	>	!(HasUMode(client_p, UMODE_OPER) && HasOFlag(client_p, OPER_FLAG_JOIN_RESV)) &&
987	>	((conf = match_find_resv(chan)) && !resv_find_exempt(client_p, conf)))
988		{
989		++conf->count;
990	<	sendto_one_numeric(source_p, &me, ERR_CHANBANREASON, chan, conf->reason);
990	>	sendto_one_numeric(client_p, &me, ERR_CHANBANREASON, chan, conf->reason);
991		sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
992		"Forbidding reserved channel %s from user %s",
993	<	chan, get_client_name(source_p, HIDE_IP));
993	>	chan, get_client_name(client_p, HIDE_IP));
994		continue;
995		}
996
997	<	if (dlink_list_length(&source_p->channel) >=
997	>	if (dlink_list_length(&client_p->channel) >=
998		((class->max_channels) ? class->max_channels : ConfigChannel.max_channels))
999		{
1000	<	sendto_one_numeric(source_p, &me, ERR_TOOMANYCHANNELS, chan);
1000	>	sendto_one_numeric(client_p, &me, ERR_TOOMANYCHANNELS, chan);
1001		break;
1002		}
1003
1004		if ((chptr = hash_find_channel(chan)))
1005		{
1006	<	if (IsMember(source_p, chptr))
1006	>	if (IsMember(client_p, chptr))
1007		continue;
1008
1042	–	if (splitmode && !HasUMode(source_p, UMODE_OPER) &&
1043	–	ConfigChannel.no_join_on_split)
1044	–	{
1045	–	sendto_one_numeric(source_p, &me, ERR_UNAVAILRESOURCE, chptr->name);
1046	–	continue;
1047	–	}
1048	–
1009		/*
1010		* can_join checks for +i key, bans.
1011		*/
1012	<	if ((i = can_join(source_p, chptr, key)))
1012	>	if ((i = can_join(client_p, chptr, key)))
1013		{
1014	<	sendto_one_numeric(source_p, &me, i, chptr->name);
1014	>	sendto_one_numeric(client_p, &me, i, chptr->name);
1015		continue;
1016		}
1017
#	Line 1066 | Line 1026 | channel_do_join(struct Client *source_p,
1026		}
1027		else
1028		{
1069	–	if (splitmode && !HasUMode(source_p, UMODE_OPER) &&
1070	–	(ConfigChannel.no_create_on_split || ConfigChannel.no_join_on_split))
1071	–	{
1072	–	sendto_one_numeric(source_p, &me, ERR_UNAVAILRESOURCE, chan);
1073	–	continue;
1074	–	}
1075	–
1029		flags = CHFL_CHANOP;
1030	<	chptr = make_channel(chan);
1030	>	chptr = channel_make(chan);
1031		}
1032
1033	<	if (!HasUMode(source_p, UMODE_OPER))
1034	<	check_spambot_warning(source_p, chptr->name);
1033	>	if (!HasUMode(client_p, UMODE_OPER))
1034	>	check_spambot_warning(client_p, chptr->name);
1035
1036	<	add_user_to_channel(chptr, source_p, flags, 1);
1036	>	add_user_to_channel(chptr, client_p, flags, 1);
1037
1038		/*
1039		* Set timestamp if appropriate, and propagate
#	Line 1091 | Line 1044 | channel_do_join(struct Client *source_p,
1044		chptr->mode.mode |= MODE_TOPICLIMIT;
1045		chptr->mode.mode |= MODE_NOPRIVMSGS;
1046
1047	<	sendto_server(source_p, 0, 0, ":%s SJOIN %lu %s +nt :@%s",
1048	<	me.id, (unsigned long)chptr->creationtime,
1049	<	chptr->name, source_p->id);
1047	>	sendto_server(client_p, 0, 0, ":%s SJOIN %ju %s +nt :@%s",
1048	>	me.id, chptr->creationtime,
1049	>	chptr->name, client_p->id);
1050
1051		/*
1052		* Notify all other users on the new channel
1053		*/
1054	<	sendto_channel_local_butone(NULL, CAP_EXTENDED_JOIN, 0, chptr, ":%s!%s@%s JOIN %s %s :%s",
1055	<	source_p->name, source_p->username,
1056	<	source_p->host, chptr->name,
1057	<	(!IsDigit(source_p->account[0]) && source_p->account[0] != '*') ? source_p->account : "*",
1058	<	source_p->info);
1059	<	sendto_channel_local_butone(NULL, 0, CAP_EXTENDED_JOIN, chptr, ":%s!%s@%s JOIN :%s",
1060	<	source_p->name, source_p->username,
1108	<	source_p->host, chptr->name);
1109	<	sendto_channel_local(0, chptr, ":%s MODE %s +nt",
1054	>	sendto_channel_local(NULL, chptr, 0, CAP_EXTENDED_JOIN, 0, ":%s!%s@%s JOIN %s %s :%s",
1055	>	client_p->name, client_p->username,
1056	>	client_p->host, chptr->name, client_p->account, client_p->info);
1057	>	sendto_channel_local(NULL, chptr, 0, 0, CAP_EXTENDED_JOIN, ":%s!%s@%s JOIN :%s",
1058	>	client_p->name, client_p->username,
1059	>	client_p->host, chptr->name);
1060	>	sendto_channel_local(NULL, chptr, 0, 0, 0, ":%s MODE %s +nt",
1061		me.name, chptr->name);
1062
1063	<	if (source_p->away[0])
1064	<	sendto_channel_local_butone(source_p, CAP_AWAY_NOTIFY, 0, chptr,
1065	<	":%s!%s@%s AWAY :%s",
1066	<	source_p->name, source_p->username,
1067	<	source_p->host, source_p->away);
1063	>	if (client_p->away[0])
1064	>	sendto_channel_local(client_p, chptr, 0, CAP_AWAY_NOTIFY, 0,
1065	>	":%s!%s@%s AWAY :%s",
1066	>	client_p->name, client_p->username,
1067	>	client_p->host, client_p->away);
1068		}
1069		else
1070		{
1071	<	sendto_server(source_p, 0, 0, ":%s JOIN %lu %s +",
1072	<	source_p->id, (unsigned long)chptr->creationtime,
1071	>	sendto_server(client_p, 0, 0, ":%s JOIN %ju %s +",
1072	>	client_p->id, chptr->creationtime,
1073		chptr->name);
1074
1075	<	sendto_channel_local_butone(NULL, CAP_EXTENDED_JOIN, 0, chptr, ":%s!%s@%s JOIN %s %s :%s",
1076	<	source_p->name, source_p->username,
1077	<	source_p->host, chptr->name,
1078	<	(!IsDigit(source_p->account[0]) && source_p->account[0] != '*') ? source_p->account : "*",
1079	<	source_p->info);
1080	<	sendto_channel_local_butone(NULL, 0, CAP_EXTENDED_JOIN, chptr, ":%s!%s@%s JOIN :%s",
1081	<	source_p->name, source_p->username,
1082	<	source_p->host, chptr->name);
1083	<
1084	<	if (source_p->away[0])
1085	<	sendto_channel_local_butone(source_p, CAP_AWAY_NOTIFY, 0, chptr,
1086	<	":%s!%s@%s AWAY :%s",
1136	<	source_p->name, source_p->username,
1137	<	source_p->host, source_p->away);
1075	>	sendto_channel_local(NULL, chptr, 0, CAP_EXTENDED_JOIN, 0, ":%s!%s@%s JOIN %s %s :%s",
1076	>	client_p->name, client_p->username,
1077	>	client_p->host, chptr->name, client_p->account, client_p->info);
1078	>	sendto_channel_local(NULL, chptr, 0, 0, CAP_EXTENDED_JOIN, ":%s!%s@%s JOIN :%s",
1079	>	client_p->name, client_p->username,
1080	>	client_p->host, chptr->name);
1081	>
1082	>	if (client_p->away[0])
1083	>	sendto_channel_local(client_p, chptr, 0, CAP_AWAY_NOTIFY, 0,
1084	>	":%s!%s@%s AWAY :%s",
1085	>	client_p->name, client_p->username,
1086	>	client_p->host, client_p->away);
1087		}
1088
1089	<	del_invite(chptr, source_p);
1089	>	del_invite(chptr, client_p);
1090
1091		if (chptr->topic[0])
1092		{
1093	<	sendto_one_numeric(source_p, &me, RPL_TOPIC, chptr->name, chptr->topic);
1094	<	sendto_one_numeric(source_p, &me, RPL_TOPICWHOTIME, chptr->name,
1093	>	sendto_one_numeric(client_p, &me, RPL_TOPIC, chptr->name, chptr->topic);
1094	>	sendto_one_numeric(client_p, &me, RPL_TOPICWHOTIME, chptr->name,
1095		chptr->topic_info, chptr->topic_time);
1096		}
1097
1098	<	channel_member_names(source_p, chptr, 1);
1098	>	channel_member_names(client_p, chptr, 1);
1099
1100	<	source_p->connection->last_join_time = CurrentTime;
1100	>	client_p->connection->last_join_time = CurrentTime;
1101		}
1102		}
1103
1104		/*! \brief Removes a client from a specific channel
1105	<	* \param source_p Pointer to source client to remove
1105	>	* \param client_p Pointer to source client to remove
1106		* \param name     Name of channel to remove from
1107		* \param reason   Part reason to show
1108		*/
1109		static void
1110	<	channel_part_one_client(struct Client *source_p, const char *name, const char *reason)
1110	>	channel_part_one_client(struct Client *client_p, const char *name, const char *reason)
1111		{
1112		struct Channel *chptr = NULL;
1113		struct Membership *member = NULL;
1114
1115		if ((chptr = hash_find_channel(name)) == NULL)
1116		{
1117	<	sendto_one_numeric(source_p, &me, ERR_NOSUCHCHANNEL, name);
1117	>	sendto_one_numeric(client_p, &me, ERR_NOSUCHCHANNEL, name);
1118		return;
1119		}
1120
1121	<	if ((member = find_channel_link(source_p, chptr)) == NULL)
1121	>	if ((member = find_channel_link(client_p, chptr)) == NULL)
1122		{
1123	<	sendto_one_numeric(source_p, &me, ERR_NOTONCHANNEL, chptr->name);
1123	>	sendto_one_numeric(client_p, &me, ERR_NOTONCHANNEL, chptr->name);
1124		return;
1125		}
1126
1127	<	if (MyConnect(source_p) && !HasUMode(source_p, UMODE_OPER))
1128	<	check_spambot_warning(source_p, NULL);
1127	>	if (MyConnect(client_p) && !HasUMode(client_p, UMODE_OPER))
1128	>	check_spambot_warning(client_p, NULL);
1129
1130		/*
1131		* Remove user from the old channel (if any)
1132		* only allow /part reasons in -m chans
1133		*/
1134	<	if (*reason && (!MyConnect(source_p) ||
1135	<	((can_send(chptr, source_p, member, reason) &&
1136	<	(source_p->connection->firsttime + ConfigGeneral.anti_spam_exit_message_time)
1137	<	< CurrentTime))))
1138	<	{
1139	<	sendto_server(source_p, 0, 0, ":%s PART %s :%s",
1140	<	source_p->id, chptr->name, reason);
1141	<	sendto_channel_local(0, chptr, ":%s!%s@%s PART %s :%s",
1142	<	source_p->name, source_p->username,
1143	<	source_p->host, chptr->name, reason);
1134	>	if (*reason && (!MyConnect(client_p) ||
1135	>	((client_p->connection->firsttime +
1136	>	ConfigGeneral.anti_spam_exit_message_time) < CurrentTime &&
1137	>	can_send(chptr, client_p, member, reason, 0) < 0)))
1138	>	{
1139	>	sendto_server(client_p, 0, 0, ":%s PART %s :%s",
1140	>	client_p->id, chptr->name, reason);
1141	>	sendto_channel_local(NULL, chptr, 0, 0, 0, ":%s!%s@%s PART %s :%s",
1142	>	client_p->name, client_p->username,
1143	>	client_p->host, chptr->name, reason);
1144		}
1145		else
1146		{
1147	<	sendto_server(source_p, 0, 0, ":%s PART %s",
1148	<	source_p->id, chptr->name);
1149	<	sendto_channel_local(0, chptr, ":%s!%s@%s PART %s",
1150	<	source_p->name, source_p->username,
1151	<	source_p->host, chptr->name);
1147	>	sendto_server(client_p, 0, 0, ":%s PART %s",
1148	>	client_p->id, chptr->name);
1149	>	sendto_channel_local(NULL, chptr, 0, 0, 0, ":%s!%s@%s PART %s",
1150	>	client_p->name, client_p->username,
1151	>	client_p->host, chptr->name);
1152		}
1153
1154		remove_user_from_channel(member);
1155		}
1156
1157		void
1158	<	channel_do_part(struct Client *source_p, char *channel, const char *reason)
1158	>	channel_do_part(struct Client *client_p, char *channel, const char *reason)
1159		{
1160		char *p = NULL, *name = NULL;
1161		char buf[KICKLEN + 1] = "";
1162
1163	<	assert(IsClient(source_p));
1163	>	assert(IsClient(client_p));
1164
1165		if (!EmptyString(reason))
1166		strlcpy(buf, reason, sizeof(buf));
1167
1168	<	for (name = strtoken(&p, channel, ","); name;
1169	<	name = strtoken(&p,    NULL, ","))
1170	<	channel_part_one_client(source_p, name, buf);
1168	>	for (name = strtok_r(channel, ",", &p); name;
1169	>	name = strtok_r(NULL,    ",", &p))
1170	>	channel_part_one_client(client_p, name, buf);
1171		}

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