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

Comparing:
ircd-hybrid-7.2/src/channel.c (file contents), Revision 356 by adx, Mon Jan 2 22:05:15 2006 UTC vs.
ircd-hybrid/trunk/src/channel.c (file contents), Revision 3215 by michael, Tue Mar 25 19:23:15 2014 UTC

#	Line 1 | Line 1
1		/*
2	<	*  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
2	>	*  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3		*
4	<	*  Copyright (C) 2002 by the past and present ircd coders, and others.
4	>	*  Copyright (c) 1997-2014 ircd-hybrid development team
5		*
6		*  This program is free software; you can redistribute it and/or modify
7		*  it under the terms of the GNU General Public License as published by
#	Line 25 | Line 25
25		*/
26
27		#include "stdinc.h"
28	<	#include "tools.h"
28	>	#include "list.h"
29		#include "channel.h"
30		#include "channel_mode.h"
31		#include "client.h"
32	–	#include "common.h"
32		#include "hash.h"
33	+	#include "conf.h"
34	+	#include "hostmask.h"
35		#include "irc_string.h"
35	–	#include "sprintf_irc.h"
36		#include "ircd.h"
37	–	#include "list.h"
37		#include "numeric.h"
38	<	#include "s_serv.h"             /* captab */
40	<	#include "s_user.h"
38	>	#include "s_serv.h"
39		#include "send.h"
42	–	#include "s_conf.h"             /* ConfigFileEntry, ConfigChannel */
40		#include "event.h"
41		#include "memory.h"
42	<	#include "balloc.h"
42	>	#include "mempool.h"
43	>	#include "s_misc.h"
44	>	#include "resv.h"
45
47	–	struct config_channel_entry ConfigChannel;
46		dlink_list global_channel_list = { NULL, NULL, 0 };
47	<	dlink_list lazylink_channels = { NULL, NULL, 0 };
50	<	BlockHeap *ban_heap;    /*! \todo ban_heap shouldn't be a global var */
47	>	mp_pool_t *ban_pool;    /*! \todo ban_pool shouldn't be a global var */
48
49	<	static BlockHeap *topic_heap = NULL;
50	<	static BlockHeap *member_heap = NULL;
54	<	static BlockHeap *channel_heap = NULL;
49	>	static mp_pool_t *member_pool = NULL;
50	>	static mp_pool_t *channel_pool = NULL;
51
52		static char buf[IRCD_BUFSIZE];
57	–	static char modebuf[MODEBUFLEN];
58	–	static char parabuf[MODEBUFLEN];
53
54
55		/*! \brief Initializes the channel blockheap, adds known channel CAPAB
56		*/
57		void
58	<	init_channels(void)
58	>	channel_init(void)
59		{
66	–	/*
67	–	* XXX - These should get moved to somwhere else once we have
68	–	* a modular channelmode system
69	–	*/
60		add_capability("EX", CAP_EX, 1);
61		add_capability("IE", CAP_IE, 1);
72	–	add_capability("CHW", CAP_CHW, 1);
62
63	<	channel_heap = BlockHeapCreate("channel", sizeof(struct Channel), CHANNEL_HEAP_SIZE);
64	<	ban_heap = BlockHeapCreate("ban", sizeof(struct Ban), BAN_HEAP_SIZE);
65	<	topic_heap = BlockHeapCreate("topic", TOPICLEN+1 + USERHOST_REPLYLEN, TOPIC_HEAP_SIZE);
77	<	member_heap = BlockHeapCreate("member", sizeof(struct Membership), CHANNEL_HEAP_SIZE*2);
63	>	channel_pool = mp_pool_new(sizeof(struct Channel), MP_CHUNK_SIZE_CHANNEL);
64	>	ban_pool = mp_pool_new(sizeof(struct Ban), MP_CHUNK_SIZE_BAN);
65	>	member_pool = mp_pool_new(sizeof(struct Membership), MP_CHUNK_SIZE_MEMBER);
66		}
67
68		/*! \brief adds a user to a channel by adding another link to the
#	Line 111 | Line 99 | add_user_to_channel(struct Channel *chpt
99		if (!IsSetJoinFloodNoticed(chptr))
100		{
101		SetJoinFloodNoticed(chptr);
102	<	sendto_realops_flags(UMODE_BOTS, L_ALL,
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->chname);
#	Line 121 | Line 109 | add_user_to_channel(struct Channel *chpt
109		chptr->last_join_time = CurrentTime;
110		}
111
112	<	ms = BlockHeapAlloc(member_heap);
112	>	ms = mp_pool_get(member_pool);
113	>	memset(ms, 0, sizeof(*ms));
114	>
115		ms->client_p = who;
116		ms->chptr = chptr;
117		ms->flags = flags;
118
119		dlinkAdd(ms, &ms->channode, &chptr->members);
130	–
131	–	if (MyConnect(who))
132	–	dlinkAdd(ms, &ms->locchannode, &chptr->locmembers);
133	–
120		dlinkAdd(ms, &ms->usernode, &who->channel);
121		}
122
#	Line 145 | Line 131 | remove_user_from_channel(struct Membersh
131		struct Channel *chptr = member->chptr;
132
133		dlinkDelete(&member->channode, &chptr->members);
148	–
149	–	if (MyConnect(client_p))
150	–	dlinkDelete(&member->locchannode, &chptr->locmembers);
151	–
134		dlinkDelete(&member->usernode, &client_p->channel);
135
136	<	BlockHeapFree(member_heap, member);
136	>	mp_pool_release(member);
137
138	<	if (dlink_list_length(&chptr->members) == 0)
157	<	{
158	<	assert(dlink_list_length(&chptr->locmembers) == 0);
138	>	if (chptr->members.head == NULL)
139		destroy_channel(chptr);
160	–	}
140		}
141
142		/* send_members()
#	Line 168 | Line 147 | remove_user_from_channel(struct Membersh
147		*/
148		static void
149		send_members(struct Client *client_p, struct Channel *chptr,
150	<	char *lmodebuf, char *lparabuf)
150	>	char *modebuf, char *parabuf)
151		{
152	<	struct Membership *ms;
174	<	dlink_node *ptr;
152	>	const dlink_node *ptr = NULL;
153		int tlen;              /* length of text to append */
154		char *t, *start;       /* temp char pointer */
155
156	<	start = t = buf + ircsprintf(buf, ":%s SJOIN %lu %s %s %s:",
157	<	ID_or_name(&me, client_p),
158	<	(unsigned long)chptr->channelts,
181	<	chptr->chname, lmodebuf, lparabuf);
156	>	start = t = buf + snprintf(buf, sizeof(buf), ":%s SJOIN %lu %s %s %s:",
157	>	me.id, (unsigned long)chptr->channelts,
158	>	chptr->chname, modebuf, parabuf);
159
160		DLINK_FOREACH(ptr, chptr->members.head)
161		{
162	<	ms = ptr->data;
162	>	const struct Membership *ms = ptr->data;
163
164	<	tlen = strlen(IsCapable(client_p, CAP_TS6) ?
188	<	ID(ms->client_p) : ms->client_p->name) + 1;  /* nick + space */
164	>	tlen = strlen(ms->client_p->id) + 1;  /* nick + space */
165
166		if (ms->flags & CHFL_CHANOP)
167		tlen++;
168		#ifdef HALFOPS
169	<	else if (ms->flags & CHFL_HALFOP)
169	>	if (ms->flags & CHFL_HALFOP)
170		tlen++;
171		#endif
172		if (ms->flags & CHFL_VOICE)
#	Line 199 | Line 175 | send_members(struct Client *client_p, st
175		/* space will be converted into CR, but we also need space for LF..
176		* That's why we use '- 1' here
177		* -adx */
178	<	if (t + tlen - buf > sizeof(buf) - 1)
178	>	if (t + tlen - buf > IRCD_BUFSIZE - 1)
179		{
180		*(t - 1) = '\0';  /* kill the space and terminate the string */
181		sendto_one(client_p, "%s", buf);
182		t = start;
183		}
184
185	<	if ((ms->flags & (CHFL_CHANOP | CHFL_HALFOP)))
186	<	*t++ = (!(ms->flags & CHFL_CHANOP) && IsCapable(client_p, CAP_HOPS)) ?
187	<	'%' : '@';
188	<	if ((ms->flags & CHFL_VOICE))
185	>	if (ms->flags & CHFL_CHANOP)
186	>	*t++ = '@';
187	>	if (ms->flags & CHFL_HALFOP)
188	>	*t++ = '%';
189	>	if (ms->flags & CHFL_VOICE)
190		*t++ = '+';
191
192	<	if (IsCapable(client_p, CAP_TS6))
193	<	strcpy(t, ID(ms->client_p));
217	<	else
218	<	strcpy(t, ms->client_p->name);
192	>	strcpy(t, ms->client_p->id);
193	>
194		t += strlen(t);
195		*t++ = ' ';
196		}
#	Line 235 | Line 210 | send_members(struct Client *client_p, st
210		*/
211		static void
212		send_mode_list(struct Client *client_p, struct Channel *chptr,
213	<	dlink_list *top, char flag)
213	>	const dlink_list *top, char flag)
214		{
215	<	int ts5 = !IsCapable(client_p, CAP_TS6);
216	<	dlink_node *lp;
242	<	struct Ban *banptr;
243	<	char pbuf[IRCD_BUFSIZE];
215	>	const dlink_node *lp = NULL;
216	>	char pbuf[IRCD_BUFSIZE] = "";
217		int tlen, mlen, cur_len, count = 0;
218	<	char *mp = NULL, *pp = pbuf;
218	>	char *pp = pbuf;
219
220	<	if (top == NULL || top->length == 0)
220	>	if (top->length == 0)
221		return;
222
223	<	if (ts5)
224	<	mlen = ircsprintf(buf, ":%s MODE %s +", me.name, chptr->chname);
225	<	else
253	<	mlen = ircsprintf(buf, ":%s BMASK %lu %s %c :", me.id,
254	<	(unsigned long)chptr->channelts, chptr->chname, flag);
255	<
256	<	/* MODE needs additional one byte for space between buf and pbuf */
257	<	cur_len = mlen + ts5;
258	<	mp = buf + mlen;
223	>	mlen = snprintf(buf, sizeof(buf), ":%s BMASK %lu %s %c :", me.id,
224	>	(unsigned long)chptr->channelts, chptr->chname, flag);
225	>	cur_len = mlen;
226
227		DLINK_FOREACH(lp, top->head)
228		{
229	<	banptr = lp->data;
229	>	const struct Ban *banptr = lp->data;
230
231	<	/* must add another b/e/I letter if we use MODE */
265	<	tlen = banptr->len + 3 + ts5;
231	>	tlen = banptr->len + 3;
232
233		/*
234		* send buffer and start over if we cannot fit another ban,
235		* or if the target is non-ts6 and we have too many modes in
236		* in this line.
237		*/
238	<	if (cur_len + (tlen - 1) > IRCD_BUFSIZE - 2 ||
273	<	(!IsCapable(client_p, CAP_TS6) &&
274	<	(count >= MAXMODEPARAMS || pp - pbuf >= MODEBUFLEN)))
238	>	if (cur_len + (tlen - 1) > IRCD_BUFSIZE - 2)
239		{
240		*(pp - 1) = '\0';  /* get rid of trailing space on buffer */
241	<	sendto_one(client_p, "%s%s%s", buf, ts5 ? " " : "", pbuf);
241	>	sendto_one(client_p, "%s%s", buf, pbuf);
242
243	<	cur_len = mlen + ts5;
280	<	mp = buf + mlen;
243	>	cur_len = mlen;
244		pp = pbuf;
245		count = 0;
246		}
247
248		count++;
249	<	if (ts5)
250	<	{
288	<	*mp++ = flag;
289	<	*mp = '\0';
290	<	}
291	<
292	<	pp += ircsprintf(pp, "%s!%s@%s ", banptr->name, banptr->username,
293	<	banptr->host);
249	>	pp += sprintf(pp, "%s!%s@%s ", banptr->name, banptr->user,
250	>	banptr->host);
251		cur_len += tlen;
252		}
253
254		*(pp - 1) = '\0';  /* get rid of trailing space on buffer */
255	<	sendto_one(client_p, "%s%s%s", buf, ts5 ? " " : "", pbuf);
255	>	sendto_one(client_p, "%s%s", buf, pbuf);
256		}
257
258		/*! \brief send "client_p" a full list of the modes for channel chptr
#	Line 305 | Line 262 | send_mode_list(struct Client *client_p,
262		void
263		send_channel_modes(struct Client *client_p, struct Channel *chptr)
264		{
265	<	if (chptr->chname[0] != '#')
266	<	return;
265	>	char modebuf[MODEBUFLEN] = "";
266	>	char parabuf[MODEBUFLEN] = "";
267
311	–	*modebuf = *parabuf = '\0';
268		channel_modes(chptr, client_p, modebuf, parabuf);
269		send_members(client_p, chptr, modebuf, parabuf);
270
271		send_mode_list(client_p, chptr, &chptr->banlist, 'b');
272	<
273	<	if (IsCapable(client_p, CAP_EX))
318	<	send_mode_list(client_p, chptr, &chptr->exceptlist, 'e');
319	<	if (IsCapable(client_p, CAP_IE))
320	<	send_mode_list(client_p, chptr, &chptr->invexlist, 'I');
272	>	send_mode_list(client_p, chptr, &chptr->exceptlist, 'e');
273	>	send_mode_list(client_p, chptr, &chptr->invexlist, 'I');
274		}
275
276		/*! \brief check channel name for invalid characters
277		* \param name pointer to channel name string
278	<	* \return TRUE (1) if name ok, FALSE (0) otherwise
278	>	* \param local indicates whether it's a local or remote creation
279	>	* \return 0 if invalid, 1 otherwise
280		*/
281		int
282	<	check_channel_name(const char *name)
282	>	check_channel_name(const char *name, const int local)
283		{
284	<	const unsigned char *p = (const unsigned char *)name;
284	>	const char *p = name;
285	>	const int max_length = local ? LOCAL_CHANNELLEN : CHANNELLEN;
286		assert(name != NULL);
287
288	<	for (; *p; ++p)
289	<	if (!IsChanChar(*p))
335	<	return 0;
288	>	if (!IsChanPrefix(*p))
289	>	return 0;
290
291	<	return 1;
291	>	if (!local || !ConfigChannel.disable_fake_channels)
292	>	{
293	>	while (*++p)
294	>	if (!IsChanChar(*p))
295	>	return 0;
296	>	}
297	>	else
298	>	{
299	>	while (*++p)
300	>	if (!IsVisibleChanChar(*p))
301	>	return 0;
302	>	}
303	>
304	>	return p - name <= max_length;
305		}
306
307		void
#	Line 343 | Line 310 | remove_ban(struct Ban *bptr, dlink_list
310		dlinkDelete(&bptr->node, list);
311
312		MyFree(bptr->name);
313	<	MyFree(bptr->username);
313	>	MyFree(bptr->user);
314		MyFree(bptr->host);
315		MyFree(bptr->who);
316
317	<	BlockHeapFree(ban_heap, bptr);
317	>	mp_pool_release(bptr);
318		}
319
320		/* free_channel_list()
#	Line 369 | Line 336 | free_channel_list(dlink_list *list)
336
337		/*! \brief Get Channel block for chname (and allocate a new channel
338		*         block, if it didn't exist before)
339	<	* \param client_p client pointer
340	<	* \param chname   channel name
374	<	* \param isnew    pointer to int flag whether channel was newly created or not
375	<	* \return channel block or NULL if illegal name
339	>	* \param chname channel name
340	>	* \return channel block
341		*/
342		struct Channel *
343	<	get_or_create_channel(struct Client *client_p, const char *chname, int *isnew)
343	>	make_channel(const char *chname)
344		{
345		struct Channel *chptr = NULL;
381	–	int len;
346
347	<	if (EmptyString(chname))
384	<	return NULL;
347	>	assert(!EmptyString(chname));
348
349	<	if ((len = strlen(chname)) > CHANNELLEN)
387	<	{
388	<	if (IsServer(client_p))
389	<	sendto_realops_flags(UMODE_DEBUG, L_ALL,
390	<	"*** Long channel name from %s (%d > %d): %s",
391	<	client_p->name, len, CHANNELLEN, chname);
392	<	return NULL;
393	<	}
349	>	chptr = mp_pool_get(channel_pool);
350
351	<	if ((chptr = hash_find_channel(chname)) != NULL)
396	<	{
397	<	if (isnew != NULL)
398	<	*isnew = 0;
351	>	memset(chptr, 0, sizeof(*chptr));
352
400	–	return chptr;
401	–	}
402	–
403	–	if (isnew != NULL)
404	–	*isnew = 1;
405	–
406	–	chptr = BlockHeapAlloc(channel_heap);
353		/* doesn't hurt to set it here */
354	<	chptr->channelts = chptr->last_join_time = CurrentTime;
354	>	chptr->channelts = CurrentTime;
355	>	chptr->last_join_time = CurrentTime;
356
357		strlcpy(chptr->chname, chname, sizeof(chptr->chname));
358		dlinkAdd(chptr, &chptr->node, &global_channel_list);
#	Line 431 | Line 378 | destroy_channel(struct Channel *chptr)
378		free_channel_list(&chptr->exceptlist);
379		free_channel_list(&chptr->invexlist);
380
434	–	/* Free the topic */
435	–	free_topic(chptr);
436	–
381		dlinkDelete(&chptr->node, &global_channel_list);
382		hash_del_channel(chptr);
383
384	<	if (ServerInfo.hub)
441	<	if ((ptr = dlinkFindDelete(&lazylink_channels, chptr)))
442	<	free_dlink_node(ptr);
443	<
444	<	BlockHeapFree(channel_heap, chptr);
384	>	mp_pool_release(chptr);
385		}
386
387		/*!
#	Line 449 | Line 389 | destroy_channel(struct Channel *chptr)
389		* \return string pointer "=" if public, "@" if secret else "*"
390		*/
391		static const char *
392	<	channel_pub_or_secret(struct Channel *chptr)
392	>	channel_pub_or_secret(const struct Channel *chptr)
393		{
394		if (SecretChannel(chptr))
395		return "@";
#	Line 468 | Line 408 | void
408		channel_member_names(struct Client *source_p, struct Channel *chptr,
409		int show_eon)
410		{
411	<	struct Client *target_p = NULL;
412	<	struct Membership *ms = NULL;
473	<	dlink_node *ptr = NULL;
474	<	char lbuf[IRCD_BUFSIZE + 1];
411	>	const dlink_node *ptr = NULL;
412	>	char lbuf[IRCD_BUFSIZE + 1] = "";
413		char *t = NULL, *start = NULL;
414		int tlen = 0;
415		int is_member = IsMember(source_p, chptr);
416	+	int multi_prefix = HasCap(source_p, CAP_MULTI_PREFIX) != 0;
417	+	int uhnames = HasCap(source_p, CAP_UHNAMES) != 0;
418
419		if (PubChannel(chptr) || is_member)
420		{
421	<	t = lbuf + ircsprintf(lbuf, form_str(RPL_NAMREPLY),
422	<	me.name, source_p->name,
423	<	channel_pub_or_secret(chptr),
484	<	chptr->chname);
421	>	t = lbuf + snprintf(lbuf, sizeof(lbuf), numeric_form(RPL_NAMREPLY),
422	>	me.name, source_p->name,
423	>	channel_pub_or_secret(chptr), chptr->chname);
424		start = t;
425
426		DLINK_FOREACH(ptr, chptr->members.head)
427		{
428	<	ms       = ptr->data;
490	<	target_p = ms->client_p;
428	>	const struct Membership *ms = ptr->data;
429
430	<	if (IsInvisible(target_p) && !is_member)
430	>	if (HasUMode(ms->client_p, UMODE_INVISIBLE) && !is_member)
431		continue;
432
433	<	tlen = strlen(target_p->name) + 1;  /* nick + space */
433	>	if (!uhnames)
434	>	tlen = strlen(ms->client_p->name) + 1;  /* nick + space */
435	>	else
436	>	tlen = strlen(ms->client_p->name) + strlen(ms->client_p->username) +
437	>	strlen(ms->client_p->host) + 3;
438
439	<	if (ms->flags & (CHFL_CHANOP | CHFL_HALFOP | CHFL_VOICE))
440	<	++tlen;
441	<	if (t + tlen - lbuf > IRCD_BUFSIZE)
439	>	if (!multi_prefix)
440	>	{
441	>	if (ms->flags & (CHFL_CHANOP | CHFL_HALFOP | CHFL_VOICE))
442	>	++tlen;
443	>	}
444	>	else
445	>	{
446	>	if (ms->flags & CHFL_CHANOP)
447	>	++tlen;
448	>	if (ms->flags & CHFL_HALFOP)
449	>	++tlen;
450	>	if (ms->flags & CHFL_VOICE)
451	>	++tlen;
452	>	}
453	>
454	>	if (t + tlen - lbuf > IRCD_BUFSIZE - 2)
455		{
456		*(t - 1) = '\0';
457		sendto_one(source_p, "%s", lbuf);
458		t = start;
459		}
460
461	<	t += ircsprintf(t, "%s%s ", get_member_status(ms, NO),
462	<	target_p->name);
461	>	if (!uhnames)
462	>	t += sprintf(t, "%s%s ", get_member_status(ms, multi_prefix),
463	>	ms->client_p->name);
464	>	else
465	>	t += sprintf(t, "%s%s!%s@%s ", get_member_status(ms, multi_prefix),
466	>	ms->client_p->name, ms->client_p->username,
467	>	ms->client_p->host);
468		}
469
470	<	if (tlen != 0)
470	>	if (tlen)
471		{
472		*(t - 1) = '\0';
473		sendto_one(source_p, "%s", lbuf);
#	Line 515 | Line 475 | channel_member_names(struct Client *sour
475		}
476
477		if (show_eon)
478	<	sendto_one(source_p, form_str(RPL_ENDOFNAMES),
519	<	me.name, source_p->name, chptr->chname);
478	>	sendto_one_numeric(source_p, &me, RPL_ENDOFNAMES, chptr->chname);
479		}
480
481		/*! \brief adds client to invite list
#	Line 571 | Line 530 | del_invite(struct Channel *chptr, struct
530		* (like in get_client_name)
531		*/
532		const char *
533	<	get_member_status(const struct Membership *ms, int combine)
533	>	get_member_status(const struct Membership *ms, const int combine)
534		{
535		static char buffer[4];
536	<	char *p = NULL;
578	<
579	<	if (ms == NULL)
580	<	return "";
581	<	p = buffer;
536	>	char *p = buffer;
537
538		if (ms->flags & CHFL_CHANOP)
539		{
#	Line 618 | Line 573 | find_bmask(const struct Client *who, con
573		{
574		const struct Ban *bp = ptr->data;
575
576	<	if (match(bp->name, who->name) &&
577	<	match(bp->username, who->username) &&
578	<	(match(bp->host, who->host) ||
579	<	match(bp->host, who->sockhost) ||
580	<	match_cidr(bp->host, who->sockhost)))
581	<	return 1;
576	>	if (!match(bp->name, who->name) && !match(bp->user, who->username))
577	>	{
578	>	switch (bp->type)
579	>	{
580	>	case HM_HOST:
581	>	if (!match(bp->host, who->host) || !match(bp->host, who->sockhost))
582	>	return 1;
583	>	break;
584	>	case HM_IPV4:
585	>	if (who->localClient->aftype == AF_INET)
586	>	if (match_ipv4(&who->localClient->ip, &bp->addr, bp->bits))
587	>	return 1;
588	>	break;
589	>	#ifdef IPV6
590	>	case HM_IPV6:
591	>	if (who->localClient->aftype == AF_INET6)
592	>	if (match_ipv6(&who->localClient->ip, &bp->addr, bp->bits))
593	>	return 1;
594	>	break;
595	>	#endif
596	>	default:
597	>	assert(0);
598	>	}
599	>	}
600		}
601
602		return 0;
#	Line 635 | Line 608 | find_bmask(const struct Client *who, con
608		* \return 0 if not banned, 1 otherwise
609		*/
610		int
611	<	is_banned(struct Channel *chptr, struct Client *who)
611	>	is_banned(const struct Channel *chptr, const struct Client *who)
612		{
613	<	assert(IsClient(who));
613	>	if (find_bmask(who, &chptr->banlist))
614	>	if (!find_bmask(who, &chptr->exceptlist))
615	>	return 1;
616
617	<	return find_bmask(who, &chptr->banlist) && (!ConfigChannel.use_except ||
643	<	!find_bmask(who, &chptr->exceptlist));
617	>	return 0;
618		}
619
620		/*!
621		* \param source_p pointer to client attempting to join
622	<	* \param chptr    pointer to channel
622	>	* \param chptr    pointer to channel
623		* \param key      key sent by client attempting to join if present
624		* \return ERR_BANNEDFROMCHAN, ERR_INVITEONLYCHAN, ERR_CHANNELISFULL
625		*         or 0 if allowed to join.
#	Line 653 | Line 627 | is_banned(struct Channel *chptr, struct
627		int
628		can_join(struct Client *source_p, struct Channel *chptr, const char *key)
629		{
630	<	if (find_bmask(source_p, &chptr->banlist))
631	<	if (!ConfigChannel.use_except || !find_bmask(source_p, &chptr->exceptlist))
632	<	return ERR_BANNEDFROMCHAN;
630	>	if ((chptr->mode.mode & MODE_SSLONLY) && !HasUMode(source_p, UMODE_SSL))
631	>	return ERR_SSLONLYCHAN;
632	>
633	>	if ((chptr->mode.mode & MODE_REGONLY) && !HasUMode(source_p, UMODE_REGISTERED))
634	>	return ERR_NEEDREGGEDNICK;
635	>
636	>	if ((chptr->mode.mode & MODE_OPERONLY) && !HasUMode(source_p, UMODE_OPER))
637	>	return ERR_OPERONLYCHAN;
638
639		if (chptr->mode.mode & MODE_INVITEONLY)
640		if (!dlinkFind(&source_p->localClient->invited, chptr))
641	<	if (!ConfigChannel.use_invex || !find_bmask(source_p, &chptr->invexlist))
641	>	if (!find_bmask(source_p, &chptr->invexlist))
642		return ERR_INVITEONLYCHAN;
643
644	<	if (chptr->mode.key[0] && (EmptyString(key) || irccmp(chptr->mode.key, key)))
644	>	if (chptr->mode.key[0] && (!key || strcmp(chptr->mode.key, key)))
645		return ERR_BADCHANNELKEY;
646
647		if (chptr->mode.limit && dlink_list_length(&chptr->members) >=
648		chptr->mode.limit)
649		return ERR_CHANNELISFULL;
650
651	+	if (is_banned(chptr, source_p))
652	+	return ERR_BANNEDFROMCHAN;
653	+
654		return 0;
655		}
656
657		int
658	<	has_member_flags(struct Membership *ms, unsigned int flags)
658	>	has_member_flags(const struct Membership *ms, const unsigned int flags)
659		{
660	<	if (ms != NULL)
679	<	return ms->flags & flags;
680	<	return 0;
660	>	return ms && (ms->flags & flags);
661		}
662
663		struct Membership *
#	Line 688 | Line 668 | find_channel_link(struct Client *client_
668		if (!IsClient(client_p))
669		return NULL;
670
671	<	DLINK_FOREACH(ptr, client_p->channel.head)
672	<	if (((struct Membership *)ptr->data)->chptr == chptr)
673	<	return (struct Membership *)ptr->data;
671	>	if (dlink_list_length(&chptr->members) < dlink_list_length(&client_p->channel))
672	>	{
673	>	DLINK_FOREACH(ptr, chptr->members.head)
674	>	if (((struct Membership *)ptr->data)->client_p == client_p)
675	>	return ptr->data;
676	>	}
677	>	else
678	>	{
679	>	DLINK_FOREACH(ptr, client_p->channel.head)
680	>	if (((struct Membership *)ptr->data)->chptr == chptr)
681	>	return ptr->data;
682	>	}
683
684		return NULL;
685		}
686
687	+	/*
688	+	* Basically the same functionality as in bahamut
689	+	*/
690	+	static int
691	+	msg_has_ctrls(const char *message)
692	+	{
693	+	const unsigned char *p = (const unsigned char *)message;
694	+
695	+	for (; *p; ++p)
696	+	{
697	+	if (*p > 31 || *p == 1)
698	+	continue;
699	+
700	+	if (*p == 27)
701	+	{
702	+	if (*(p + 1) == '$' ||
703	+	*(p + 1) == '(')
704	+	{
705	+	++p;
706	+	continue;
707	+	}
708	+	}
709	+
710	+	return 1;
711	+	}
712	+
713	+	return 0;
714	+	}
715	+
716		/*!
717		* \param chptr    pointer to Channel struct
718		* \param source_p pointer to Client struct
719	+	* \param ms       pointer to Membership struct (can be NULL)
720		* \return CAN_SEND_OPV if op or voiced on channel\n
721		*         CAN_SEND_NONOP if can send to channel but is not an op\n
722	<	*         CAN_SEND_NO if they cannot send to channel\n
722	>	*         ERR_CANNOTSENDTOCHAN or ERR_NEEDREGGEDNICK if they cannot send to channel\n
723		*/
724		int
725	<	can_send(struct Channel *chptr, struct Client *source_p)
725	>	can_send(struct Channel *chptr, struct Client *source_p,
726	>	struct Membership *ms, const char *message)
727		{
728	<	struct Membership *ms = NULL;
728	>	struct MaskItem *conf = NULL;
729
730	<	if (IsServer(source_p))
730	>	if (IsServer(source_p) || HasFlag(source_p, FLAGS_SERVICE))
731		return CAN_SEND_OPV;
732
733	<	if (MyClient(source_p) && !IsExemptResv(source_p) &&
734	<	!(IsOper(source_p) && ConfigFileEntry.oper_pass_resv) &&
735	<	(!hash_find_resv(chptr->chname) == ConfigChannel.restrict_channels))
736	<	return CAN_SEND_NO;
737	<
738	<	if ((ms = find_channel_link(source_p, chptr)) == NULL)
739	<	{
740	<	if (chptr->mode.mode & MODE_NOPRIVMSGS)
721	<	return CAN_SEND_NO;
722	<	}
723	<	else
724	<	{
733	>	if (MyClient(source_p) && !IsExemptResv(source_p))
734	>	if (!(HasUMode(source_p, UMODE_OPER) && ConfigFileEntry.oper_pass_resv))
735	>	if ((conf = match_find_resv(chptr->chname)) && !resv_find_exempt(source_p, conf))
736	>	return ERR_CANNOTSENDTOCHAN;
737	>
738	>	if ((chptr->mode.mode & MODE_NOCTRL) && msg_has_ctrls(message))
739	>	return ERR_NOCTRLSONCHAN;
740	>	if (ms || (ms = find_channel_link(source_p, chptr)))
741		if (ms->flags & (CHFL_CHANOP|CHFL_HALFOP|CHFL_VOICE))
742		return CAN_SEND_OPV;
743	+	if (!ms && (chptr->mode.mode & MODE_NOPRIVMSGS))
744	+	return ERR_CANNOTSENDTOCHAN;
745	+	if (chptr->mode.mode & MODE_MODERATED)
746	+	return ERR_CANNOTSENDTOCHAN;
747	+	if ((chptr->mode.mode & MODE_MODREG) && !HasUMode(source_p, UMODE_REGISTERED))
748	+	return ERR_NEEDREGGEDNICK;
749
750	<	/* cache can send if quiet_on_ban and banned */
751	<	if (ConfigChannel.quiet_on_ban && MyClient(source_p))
750	>	/* cache can send if banned */
751	>	if (MyClient(source_p))
752	>	{
753	>	if (ms)
754		{
755		if (ms->flags & CHFL_BAN_SILENCED)
756	<	return CAN_SEND_NO;
756	>	return ERR_CANNOTSENDTOCHAN;
757
758		if (!(ms->flags & CHFL_BAN_CHECKED))
759		{
760		if (is_banned(chptr, source_p))
761		{
762		ms->flags |= (CHFL_BAN_CHECKED|CHFL_BAN_SILENCED);
763	<	return CAN_SEND_NO;
763	>	return ERR_CANNOTSENDTOCHAN;
764		}
765
766		ms->flags |= CHFL_BAN_CHECKED;
767		}
768		}
769	+	else if (is_banned(chptr, source_p))
770	+	return ERR_CANNOTSENDTOCHAN;
771		}
772
747	–	if (chptr->mode.mode & MODE_MODERATED)
748	–	return CAN_SEND_NO;
749	–
750	–	return CAN_SEND_NONOP;
751	–	}
752	–
753	–	/*! \brief Checks to see if given client can send a part message
754	–	* \param member     pointer to channel membership
755	–	* \param chptr      pointer to channel struct
756	–	* \param source_p   pointer to struct Client to check
757	–	*/
758	–	int
759	–	can_send_part(struct Membership *member, struct Channel *chptr,
760	–	struct Client *source_p)
761	–	{
762	–	if (has_member_flags(member, CHFL_CHANOP|CHFL_HALFOP))
763	–	return CAN_SEND_OPV;
764	–
765	–	if (chptr->mode.mode & MODE_MODERATED)
766	–	return CAN_SEND_NO;
767	–
768	–	if (ConfigChannel.quiet_on_ban && MyClient(source_p) &&
769	–	is_banned(chptr, source_p))
770	–	return CAN_SEND_NO;
771	–
773		return CAN_SEND_NONOP;
774		}
775
#	Line 797 | Line 798 | check_spambot_warning(struct Client *sou
798		{
799		/* Its already known as a possible spambot */
800		if (name != NULL)
801	<	sendto_realops_flags(UMODE_BOTS, L_ALL,
801	>	sendto_realops_flags(UMODE_BOTS, L_ALL, SEND_NOTICE,
802		"User %s (%s@%s) trying to join %s is a possible spambot",
803		source_p->name, source_p->username,
804		source_p->host, name);
805		else
806	<	sendto_realops_flags(UMODE_BOTS, L_ALL,
806	>	sendto_realops_flags(UMODE_BOTS, L_ALL, SEND_NOTICE,
807		"User %s (%s@%s) is a possible spambot",
808		source_p->name, source_p->username,
809		source_p->host);
#	Line 830 | Line 831 | check_spambot_warning(struct Client *sou
831		}
832		}
833
834	<	if (name != NULL)
834	>	if (name)
835		source_p->localClient->last_join_time = CurrentTime;
836		else
837		source_p->localClient->last_leave_time = CurrentTime;
#	Line 853 | Line 854 | check_splitmode(void *unused)
854		{
855		splitmode = 1;
856
857	<	sendto_realops_flags(UMODE_ALL,L_ALL,
857	>	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
858		"Network split, activating splitmode");
859		eventAddIsh("check_splitmode", check_splitmode, NULL, 10);
860		}
#	Line 861 | Line 862 | check_splitmode(void *unused)
862		{
863		splitmode = 0;
864
865	<	sendto_realops_flags(UMODE_ALL, L_ALL,
865	>	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
866		"Network rejoined, deactivating splitmode");
867		eventDelete(check_splitmode, NULL);
868		}
869		}
870		}
871
871	–	/*! \brief Allocates a new topic
872	–	* \param chptr Channel to allocate a new topic for
873	–	*/
874	–	static void
875	–	allocate_topic(struct Channel *chptr)
876	–	{
877	–	void *ptr = NULL;
878	–
879	–	if (chptr == NULL)
880	–	return;
881	–
882	–	ptr = BlockHeapAlloc(topic_heap);
883	–
884	–	/* Basically we allocate one large block for the topic and
885	–	* the topic info.  We then split it up into two and shove it
886	–	* in the chptr
887	–	*/
888	–	chptr->topic       = ptr;
889	–	chptr->topic_info  = (char *)ptr + TOPICLEN+1;
890	–	*chptr->topic      = '\0';
891	–	*chptr->topic_info = '\0';
892	–	}
893	–
894	–	void
895	–	free_topic(struct Channel *chptr)
896	–	{
897	–	void *ptr = NULL;
898	–	assert(chptr);
899	–	if (chptr->topic == NULL)
900	–	return;
901	–
902	–	/*
903	–	* If you change allocate_topic you MUST change this as well
904	–	*/
905	–	ptr = chptr->topic;
906	–	BlockHeapFree(topic_heap, ptr);
907	–	chptr->topic      = NULL;
908	–	chptr->topic_info = NULL;
909	–	}
910	–
872		/*! \brief Sets the channel topic for chptr
873		* \param chptr      Pointer to struct Channel
874		* \param topic      The topic string
#	Line 916 | Line 877 | free_topic(struct Channel *chptr)
877		*/
878		void
879		set_channel_topic(struct Channel *chptr, const char *topic,
880	<	const char *topic_info, time_t topicts)
880	>	const char *topic_info, time_t topicts, int local)
881		{
882	<	if (!EmptyString(topic))
883	<	{
923	<	if (chptr->topic == NULL)
924	<	allocate_topic(chptr);
925	<
926	<	strlcpy(chptr->topic, topic, TOPICLEN+1);
927	<	strlcpy(chptr->topic_info, topic_info, USERHOST_REPLYLEN);
928	<	chptr->topic_time = topicts;
929	<	}
882	>	if (local)
883	>	strlcpy(chptr->topic, topic, IRCD_MIN(sizeof(chptr->topic), ServerInfo.max_topic_length + 1));
884		else
885	<	{
886	<	/*
887	<	* Do not reset chptr->topic_time here, it's required for
888	<	* bursting topics properly.
935	<	*/
936	<	if (chptr->topic != NULL)
937	<	free_topic(chptr);
938	<	}
885	>	strlcpy(chptr->topic, topic, sizeof(chptr->topic));
886	>
887	>	strlcpy(chptr->topic_info, topic_info, sizeof(chptr->topic_info));
888	>	chptr->topic_time = topicts;
889		}

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