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

Comparing ircd-hybrid/trunk/src/channel.c (file contents):
Revision 1661 by michael, Sat Nov 17 19:43:57 2012 UTC vs.
Revision 5983 by michael, Mon May 25 15:24:48 2015 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) 1997-2015 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 15 | Line 15
15		*
16		*  You should have received a copy of the GNU General Public License
17		*  along with this program; if not, write to the Free Software
18	<	*  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
18	>	*  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
19		*  USA
20		*/
21
#	Line 33 | Line 33
33		#include "conf.h"
34		#include "hostmask.h"
35		#include "irc_string.h"
36	–	#include "sprintf_irc.h"
36		#include "ircd.h"
37		#include "numeric.h"
38	<	#include "s_serv.h"             /* captab */
40	<	#include "s_user.h"
38	>	#include "server.h"
39		#include "send.h"
40		#include "event.h"
41		#include "memory.h"
42		#include "mempool.h"
43	+	#include "misc.h"
44	+	#include "resv.h"
45
46	<	struct config_channel_entry ConfigChannel;
47	<	dlink_list global_channel_list = { NULL, NULL, 0 };
46	>
47	>	dlink_list channel_list;
48		mp_pool_t *ban_pool;    /*! \todo ban_pool shouldn't be a global var */
49
50	<	static mp_pool_t *member_pool = NULL;
51	<	static mp_pool_t *channel_pool = NULL;
50	>	struct event splitmode_event =
51	>	{
52	>	.name = "check_splitmode",
53	>	.handler = check_splitmode,
54	>	.when = 5
55	>	};
56
57	<	static char buf[IRCD_BUFSIZE];
54	<	static char modebuf[MODEBUFLEN];
55	<	static char parabuf[MODEBUFLEN];
57	>	static mp_pool_t *member_pool, *channel_pool;
58
59
60		/*! \brief Initializes the channel blockheap, adds known channel CAPAB
61		*/
62		void
63	<	init_channels(void)
63	>	channel_init(void)
64		{
65	<	add_capability("EX", CAP_EX, 1);
66	<	add_capability("IE", CAP_IE, 1);
65	<	add_capability("CHW", CAP_CHW, 1);
65	>	add_capability("EX", CAP_EX);
66	>	add_capability("IE", CAP_IE);
67
68		channel_pool = mp_pool_new(sizeof(struct Channel), MP_CHUNK_SIZE_CHANNEL);
69		ban_pool = mp_pool_new(sizeof(struct Ban), MP_CHUNK_SIZE_BAN);
70		member_pool = mp_pool_new(sizeof(struct Membership), MP_CHUNK_SIZE_MEMBER);
71		}
72
73	<	/*! \brief adds a user to a channel by adding another link to the
73	>	/*! \brief Adds a user to a channel by adding another link to the
74		*         channels member chain.
75	<	* \param chptr      pointer to channel to add client to
76	<	* \param who        pointer to client (who) to add
77	<	* \param flags      flags for chanops etc
78	<	* \param flood_ctrl whether to count this join in flood calculations
75	>	* \param chptr      Pointer to channel to add client to
76	>	* \param who        Pointer to client (who) to add
77	>	* \param flags      Flags for chanops etc
78	>	* \param flood_ctrl Whether to count this join in flood calculations
79		*/
80		void
81		add_user_to_channel(struct Channel *chptr, struct Client *who,
82		unsigned int flags, int flood_ctrl)
83		{
84	<	struct Membership *ms = NULL;
84	>	struct Membership *member = NULL;
85	>
86	>	assert(IsClient(who));
87
88		if (GlobalSetOptions.joinfloodtime > 0)
89		{
90		if (flood_ctrl)
91	<	chptr->number_joined++;
91	>	++chptr->number_joined;
92
93		chptr->number_joined -= (CurrentTime - chptr->last_join_time) *
94		(((float)GlobalSetOptions.joinfloodcount) /
#	Line 106 | Line 109 | add_user_to_channel(struct Channel *chpt
109		sendto_realops_flags(UMODE_BOTS, L_ALL, SEND_NOTICE,
110		"Possible Join Flooder %s on %s target: %s",
111		get_client_name(who, HIDE_IP),
112	<	who->servptr->name, chptr->chname);
112	>	who->servptr->name, chptr->name);
113		}
114		}
115
116		chptr->last_join_time = CurrentTime;
117		}
118
119	<	ms = mp_pool_get(member_pool);
120	<	memset(ms, 0, sizeof(*ms));
119	>	member = mp_pool_get(member_pool);
120	>	member->client_p = who;
121	>	member->chptr = chptr;
122	>	member->flags = flags;
123	>
124	>	dlinkAdd(member, &member->channode, &chptr->members);
125
126	<	ms->client_p = who;
127	<	ms->chptr = chptr;
121	<	ms->flags = flags;
126	>	if (MyConnect(who))
127	>	dlinkAdd(member, &member->locchannode, &chptr->locmembers);
128
129	<	dlinkAdd(ms, &ms->channode, &chptr->members);
124	<	dlinkAdd(ms, &ms->usernode, &who->channel);
129	>	dlinkAdd(member, &member->usernode, &who->channel);
130		}
131
132	<	/*! \brief deletes an user from a channel by removing a link in the
132	>	/*! \brief Deletes an user from a channel by removing a link in the
133		*         channels member chain.
134	<	* \param member pointer to Membership struct
134	>	* \param member Pointer to Membership struct
135		*/
136		void
137		remove_user_from_channel(struct Membership *member)
138		{
139	<	struct Client *client_p = member->client_p;
140	<	struct Channel *chptr = member->chptr;
139	>	struct Client *const client_p = member->client_p;
140	>	struct Channel *const chptr = member->chptr;
141
142		dlinkDelete(&member->channode, &chptr->members);
143	+
144	+	if (MyConnect(client_p))
145	+	dlinkDelete(&member->locchannode, &chptr->locmembers);
146	+
147		dlinkDelete(&member->usernode, &client_p->channel);
148
149		mp_pool_release(member);
#	Line 150 | Line 159 | remove_user_from_channel(struct Membersh
159		* side effects -
160		*/
161		static void
162	<	send_members(struct Client *client_p, struct Channel *chptr,
163	<	char *lmodebuf, char *lparabuf)
162	>	send_members(struct Client *client_p, const struct Channel *chptr,
163	>	char *modebuf, char *parabuf)
164		{
165	<	struct Membership *ms;
166	<	dlink_node *ptr;
165	>	char buf[IRCD_BUFSIZE] = "";
166	>	const dlink_node *node = NULL;
167		int tlen;              /* length of text to append */
168		char *t, *start;       /* temp char pointer */
169
170	<	start = t = buf + ircsprintf(buf, ":%s SJOIN %lu %s %s %s:",
171	<	ID_or_name(&me, client_p),
172	<	(unsigned long)chptr->channelts,
173	<	chptr->chname, lmodebuf, lparabuf);
174	<
175	<	DLINK_FOREACH(ptr, chptr->members.head)
176	<	{
177	<	ms = ptr->data;
178	<
179	<	tlen = strlen(IsCapable(client_p, CAP_TS6) ?
180	<	ID(ms->client_p) : ms->client_p->name) + 1;  /* nick + space */
181	<
182	<	if (ms->flags & CHFL_CHANOP)
183	<	tlen++;
184	<	#ifdef HALFOPS
185	<	else if (ms->flags & CHFL_HALFOP)
186	<	tlen++;
187	<	#endif
188	<	if (ms->flags & CHFL_VOICE)
189	<	tlen++;
190	<
182	<	/* space will be converted into CR, but we also need space for LF..
183	<	* That's why we use '- 1' here
184	<	* -adx */
170	>	start = t = buf + snprintf(buf, sizeof(buf), ":%s SJOIN %lu %s %s %s:",
171	>	me.id, (unsigned long)chptr->creationtime,
172	>	chptr->name, modebuf, parabuf);
173	>
174	>	DLINK_FOREACH(node, chptr->members.head)
175	>	{
176	>	const struct Membership *member = node->data;
177	>
178	>	tlen = strlen(member->client_p->id) + 1;  /* +1 for space */
179	>
180	>	if (member->flags & CHFL_CHANOP)
181	>	++tlen;
182	>	if (member->flags & CHFL_HALFOP)
183	>	++tlen;
184	>	if (member->flags & CHFL_VOICE)
185	>	++tlen;
186	>
187	>	/*
188	>	* Space will be converted into CR, but we also need space for LF..
189	>	* That's why we use '- 1' here -adx
190	>	*/
191		if (t + tlen - buf > IRCD_BUFSIZE - 1)
192		{
193	<	*(t - 1) = '\0';  /* kill the space and terminate the string */
193	>	*(t - 1) = '\0';  /* Kill the space and terminate the string */
194		sendto_one(client_p, "%s", buf);
195		t = start;
196		}
197
198	<	if ((ms->flags & (CHFL_CHANOP | CHFL_HALFOP)))
199	<	*t++ = (!(ms->flags & CHFL_CHANOP) && IsCapable(client_p, CAP_HOPS)) ?
200	<	'%' : '@';
201	<	if ((ms->flags & CHFL_VOICE))
198	>	if (member->flags & CHFL_CHANOP)
199	>	*t++ = '@';
200	>	if (member->flags & CHFL_HALFOP)
201	>	*t++ = '%';
202	>	if (member->flags & CHFL_VOICE)
203		*t++ = '+';
204
205	<	if (IsCapable(client_p, CAP_TS6))
206	<	strcpy(t, ID(ms->client_p));
200	<	else
201	<	strcpy(t, ms->client_p->name);
205	>	strcpy(t, member->client_p->id);
206	>
207		t += strlen(t);
208		*t++ = ' ';
209		}
210
211	<	/* should always be non-NULL unless we have a kind of persistent channels */
212	<	if (chptr->members.head != NULL)
213	<	t--;  /* take the space out */
211	>	/* Should always be non-NULL unless we have a kind of persistent channels */
212	>	if (chptr->members.head)
213	>	t--;  /* Take the space out */
214		*t = '\0';
215		sendto_one(client_p, "%s", buf);
216		}
217
218	<	/*! \brief sends +b/+e/+I
219	<	* \param client_p client pointer to server
220	<	* \param chptr    pointer to channel
221	<	* \param top      pointer to top of mode link list to send
222	<	* \param flag     char flag flagging type of mode. Currently this can be 'b', e' or 'I'
218	>	/*! \brief Sends +b/+e/+I
219	>	* \param client_p Client pointer to server
220	>	* \param chptr    Pointer to channel
221	>	* \param list     Pointer to list of modes to send
222	>	* \param flag     Char flag flagging type of mode. Currently this can be 'b', e' or 'I'
223		*/
224		static void
225	<	send_mode_list(struct Client *client_p, struct Channel *chptr,
226	<	dlink_list *top, char flag)
225	>	send_mode_list(struct Client *client_p, const struct Channel *chptr,
226	>	const dlink_list *list, const char flag)
227		{
228	<	int ts5 = !IsCapable(client_p, CAP_TS6);
229	<	dlink_node *lp;
230	<	struct Ban *banptr;
231	<	char pbuf[IRCD_BUFSIZE];
232	<	int tlen, mlen, cur_len, count = 0;
228	<	char *mp = NULL, *pp = pbuf;
228	>	const dlink_node *node = NULL;
229	>	char mbuf[IRCD_BUFSIZE] = "";
230	>	char pbuf[IRCD_BUFSIZE] = "";
231	>	int tlen, mlen, cur_len;
232	>	char *pp = pbuf;
233
234	<	if (top == NULL || top->length == 0)
234	>	if (!list->length)
235		return;
236
237	<	if (ts5)
238	<	mlen = ircsprintf(buf, ":%s MODE %s +", me.name, chptr->chname);
239	<	else
236	<	mlen = ircsprintf(buf, ":%s BMASK %lu %s %c :", me.id,
237	<	(unsigned long)chptr->channelts, chptr->chname, flag);
238	<
239	<	/* MODE needs additional one byte for space between buf and pbuf */
240	<	cur_len = mlen + ts5;
241	<	mp = buf + mlen;
237	>	mlen = snprintf(mbuf, sizeof(mbuf), ":%s BMASK %lu %s %c :", me.id,
238	>	(unsigned long)chptr->creationtime, chptr->name, flag);
239	>	cur_len = mlen;
240
241	<	DLINK_FOREACH(lp, top->head)
241	>	DLINK_FOREACH(node, list->head)
242		{
243	<	banptr = lp->data;
243	>	const struct Ban *ban = node->data;
244
245	<	/* must add another b/e/I letter if we use MODE */
248	<	tlen = banptr->len + 3 + ts5;
245	>	tlen = ban->len + 3;  /* +3 for ! + @ + space */
246
247		/*
248	<	* send buffer and start over if we cannot fit another ban,
252	<	* or if the target is non-ts6 and we have too many modes in
253	<	* in this line.
248	>	* Send buffer and start over if we cannot fit another ban
249		*/
250	<	if (cur_len + (tlen - 1) > IRCD_BUFSIZE - 2 ||
256	<	(!IsCapable(client_p, CAP_TS6) &&
257	<	(count >= MAXMODEPARAMS || pp - pbuf >= MODEBUFLEN)))
250	>	if (cur_len + (tlen - 1) > IRCD_BUFSIZE - 2)
251		{
252	<	*(pp - 1) = '\0';  /* get rid of trailing space on buffer */
253	<	sendto_one(client_p, "%s%s%s", buf, ts5 ? " " : "", pbuf);
252	>	*(pp - 1) = '\0';  /* Get rid of trailing space on buffer */
253	>	sendto_one(client_p, "%s%s", mbuf, pbuf);
254
255	<	cur_len = mlen + ts5;
263	<	mp = buf + mlen;
255	>	cur_len = mlen;
256		pp = pbuf;
265	–	count = 0;
257		}
258
259	<	count++;
269	<	if (ts5)
270	<	{
271	<	*mp++ = flag;
272	<	*mp = '\0';
273	<	}
274	<
275	<	pp += ircsprintf(pp, "%s!%s@%s ", banptr->name, banptr->username,
276	<	banptr->host);
259	>	pp += sprintf(pp, "%s!%s@%s ", ban->name, ban->user, ban->host);
260		cur_len += tlen;
261		}
262
263	<	*(pp - 1) = '\0';  /* get rid of trailing space on buffer */
264	<	sendto_one(client_p, "%s%s%s", buf, ts5 ? " " : "", pbuf);
263	>	*(pp - 1) = '\0';  /* Get rid of trailing space on buffer */
264	>	sendto_one(client_p, "%s%s", mbuf, pbuf);
265		}
266
267	<	/*! \brief send "client_p" a full list of the modes for channel chptr
268	<	* \param client_p pointer to client client_p
269	<	* \param chptr    pointer to channel pointer
267	>	/*! \brief Send "client_p" a full list of the modes for channel chptr
268	>	* \param client_p Pointer to client client_p
269	>	* \param chptr    Pointer to channel pointer
270		*/
271		void
272		send_channel_modes(struct Client *client_p, struct Channel *chptr)
273		{
274	<	*modebuf = *parabuf = '\0';
274	>	char modebuf[MODEBUFLEN] = "";
275	>	char parabuf[MODEBUFLEN] = "";
276	>
277		channel_modes(chptr, client_p, modebuf, parabuf);
278		send_members(client_p, chptr, modebuf, parabuf);
279
#	Line 297 | Line 282 | send_channel_modes(struct Client *client
282		send_mode_list(client_p, chptr, &chptr->invexlist, 'I');
283		}
284
285	<	/*! \brief check channel name for invalid characters
286	<	* \param name pointer to channel name string
287	<	* \param local indicates whether it's a local or remote creation
285	>	/*! \brief Check channel name for invalid characters
286	>	* \param name Pointer to channel name string
287	>	* \param local Indicates whether it's a local or remote creation
288		* \return 0 if invalid, 1 otherwise
289		*/
290		int
291	<	check_channel_name(const char *name, int local)
291	>	check_channel_name(const char *name, const int local)
292		{
293		const char *p = name;
294	<	const int max_length = local ? LOCAL_CHANNELLEN : CHANNELLEN;
295	<	assert(name != NULL);
294	>
295	>	assert(!EmptyString(p));
296
297		if (!IsChanPrefix(*p))
298		return 0;
#	Line 325 | Line 310 | check_channel_name(const char *name, int
310		return 0;
311		}
312
313	<	return p - name <= max_length;
313	>	return p - name <= CHANNELLEN;
314		}
315
316		void
317	<	remove_ban(struct Ban *bptr, dlink_list *list)
317	>	remove_ban(struct Ban *ban, dlink_list *list)
318		{
319	<	dlinkDelete(&bptr->node, list);
320	<
336	<	MyFree(bptr->name);
337	<	MyFree(bptr->username);
338	<	MyFree(bptr->host);
339	<	MyFree(bptr->who);
340	<
341	<	mp_pool_release(bptr);
319	>	dlinkDelete(&ban->node, list);
320	>	mp_pool_release(ban);
321		}
322
323		/* free_channel_list()
#	Line 350 | Line 329 | remove_ban(struct Ban *bptr, dlink_list
329		void
330		free_channel_list(dlink_list *list)
331		{
332	<	dlink_node *ptr = NULL, *next_ptr = NULL;
332	>	dlink_node *node = NULL, *node_next = NULL;
333
334	<	DLINK_FOREACH_SAFE(ptr, next_ptr, list->head)
335	<	remove_ban(ptr->data, list);
357	<
358	<	assert(list->tail == NULL && list->head == NULL);
334	>	DLINK_FOREACH_SAFE(node, node_next, list->head)
335	>	remove_ban(node->data, list);
336		}
337
338	<	/*! \brief Get Channel block for chname (and allocate a new channel
338	>	/*! \brief Get Channel block for name (and allocate a new channel
339		*         block, if it didn't exist before)
340	<	* \param chname channel name
341	<	* \return channel block
340	>	* \param name Channel name
341	>	* \return Channel block
342		*/
343		struct Channel *
344	<	make_channel(const char *chname)
344	>	make_channel(const char *name)
345		{
346		struct Channel *chptr = NULL;
347
348	<	assert(!EmptyString(chname));
348	>	assert(!EmptyString(name));
349
350		chptr = mp_pool_get(channel_pool);
351
352	<	memset(chptr, 0, sizeof(*chptr));
353	<
377	<	/* doesn't hurt to set it here */
378	<	chptr->channelts = CurrentTime;
352	>	/* Doesn't hurt to set it here */
353	>	chptr->creationtime = CurrentTime;
354		chptr->last_join_time = CurrentTime;
355
356	<	strlcpy(chptr->chname, chname, sizeof(chptr->chname));
357	<	dlinkAdd(chptr, &chptr->node, &global_channel_list);
356	>	strlcpy(chptr->name, name, sizeof(chptr->name));
357	>	dlinkAdd(chptr, &chptr->node, &channel_list);
358
359		hash_add_channel(chptr);
360
361		return chptr;
362		}
363
364	<	/*! \brief walk through this channel, and destroy it.
365	<	* \param chptr channel pointer
364	>	/*! \brief Walk through this channel, and destroy it.
365	>	* \param chptr Channel pointer
366		*/
367		void
368		destroy_channel(struct Channel *chptr)
369		{
370	<	dlink_node *ptr = NULL, *ptr_next = NULL;
396	<
397	<	DLINK_FOREACH_SAFE(ptr, ptr_next, chptr->invites.head)
398	<	del_invite(chptr, ptr->data);
370	>	clear_invites_channel(chptr);
371
372	<	/* free ban/exception/invex lists */
372	>	/* Free ban/exception/invex lists */
373		free_channel_list(&chptr->banlist);
374		free_channel_list(&chptr->exceptlist);
375		free_channel_list(&chptr->invexlist);
376
377	<	dlinkDelete(&chptr->node, &global_channel_list);
377	>	dlinkDelete(&chptr->node, &channel_list);
378		hash_del_channel(chptr);
379
380		mp_pool_release(chptr);
381		}
382
383		/*!
384	<	* \param chptr pointer to channel
385	<	* \return string pointer "=" if public, "@" if secret else "*"
384	>	* \param chptr Pointer to channel
385	>	* \return String pointer "=" if public, "@" if secret else "*"
386		*/
387		static const char *
388		channel_pub_or_secret(const struct Channel *chptr)
#	Line 423 | Line 395 | channel_pub_or_secret(const struct Chann
395		}
396
397		/*! \brief lists all names on given channel
398	<	* \param source_p pointer to client struct requesting names
399	<	* \param chptr    pointer to channel block
400	<	* \param show_eon show ENDOFNAMES numeric or not
398	>	* \param source_p Pointer to client struct requesting names
399	>	* \param chptr    Pointer to channel block
400	>	* \param show_eon Show RPL_ENDOFNAMES numeric or not
401		*                 (don't want it with /names with no params)
402		*/
403		void
404		channel_member_names(struct Client *source_p, struct Channel *chptr,
405		int show_eon)
406		{
407	<	struct Client *target_p = NULL;
408	<	struct Membership *ms = NULL;
437	<	dlink_node *ptr = NULL;
438	<	char lbuf[IRCD_BUFSIZE + 1];
407	>	const dlink_node *node = NULL;
408	>	char buf[IRCD_BUFSIZE + 1] = "";
409		char *t = NULL, *start = NULL;
410		int tlen = 0;
411	<	int is_member = IsMember(source_p, chptr);
412	<	int multi_prefix = HasCap(source_p, CAP_MULTI_PREFIX) != 0;
411	>	const int is_member = IsMember(source_p, chptr);
412	>	const int multi_prefix = HasCap(source_p, CAP_MULTI_PREFIX) != 0;
413	>	const int uhnames = HasCap(source_p, CAP_UHNAMES) != 0;
414	>
415	>	assert(IsClient(source_p));
416
417		if (PubChannel(chptr) || is_member)
418		{
419	<	t = lbuf + ircsprintf(lbuf, form_str(RPL_NAMREPLY),
420	<	me.name, source_p->name,
421	<	channel_pub_or_secret(chptr),
449	<	chptr->chname);
419	>	t = buf + snprintf(buf, sizeof(buf), numeric_form(RPL_NAMREPLY),
420	>	me.name, source_p->name,
421	>	channel_pub_or_secret(chptr), chptr->name);
422		start = t;
423
424	<	DLINK_FOREACH(ptr, chptr->members.head)
424	>	DLINK_FOREACH(node, chptr->members.head)
425		{
426	<	ms       = ptr->data;
455	<	target_p = ms->client_p;
426	>	const struct Membership *member = node->data;
427
428	<	if (HasUMode(target_p, UMODE_INVISIBLE) && !is_member)
428	>	if (HasUMode(member->client_p, UMODE_INVISIBLE) && !is_member)
429		continue;
430
431	<	tlen = strlen(target_p->name) + 1;  /* nick + space */
431	>	if (!uhnames)
432	>	tlen = strlen(member->client_p->name) + 1;  /* +1 for space */
433	>	else
434	>	tlen = strlen(member->client_p->name) + strlen(member->client_p->username) +
435	>	strlen(member->client_p->host) + 3;  /* +3 for ! + @ + space */
436
437		if (!multi_prefix)
438		{
439	<	if (ms->flags & (CHFL_CHANOP | CHFL_HALFOP | CHFL_VOICE))
439	>	if (member->flags & (CHFL_CHANOP | CHFL_HALFOP | CHFL_VOICE))
440		++tlen;
441		}
442		else
443		{
444	<	if (ms->flags & CHFL_CHANOP)
444	>	if (member->flags & CHFL_CHANOP)
445		++tlen;
446	<	if (ms->flags & CHFL_HALFOP)
446	>	if (member->flags & CHFL_HALFOP)
447		++tlen;
448	<	if (ms->flags & CHFL_VOICE)
448	>	if (member->flags & CHFL_VOICE)
449		++tlen;
450		}
451
452	<	if (t + tlen - lbuf > IRCD_BUFSIZE - 2)
452	>	if (t + tlen - buf > IRCD_BUFSIZE - 2)
453		{
454		*(t - 1) = '\0';
455	<	sendto_one(source_p, "%s", lbuf);
455	>	sendto_one(source_p, "%s", buf);
456		t = start;
457		}
458
459	<	t += ircsprintf(t, "%s%s ", get_member_status(ms, multi_prefix),
460	<	target_p->name);
459	>	if (!uhnames)
460	>	t += sprintf(t, "%s%s ", get_member_status(member, multi_prefix),
461	>	member->client_p->name);
462	>	else
463	>	t += sprintf(t, "%s%s!%s@%s ", get_member_status(member, multi_prefix),
464	>	member->client_p->name, member->client_p->username,
465	>	member->client_p->host);
466		}
467
468	<	if (tlen != 0)
468	>	if (tlen)
469		{
470		*(t - 1) = '\0';
471	<	sendto_one(source_p, "%s", lbuf);
471	>	sendto_one(source_p, "%s", buf);
472		}
473		}
474
475		if (show_eon)
476	<	sendto_one(source_p, form_str(RPL_ENDOFNAMES),
497	<	me.name, source_p->name, chptr->chname);
476	>	sendto_one_numeric(source_p, &me, RPL_ENDOFNAMES, chptr->name);
477		}
478
479	<	/*! \brief adds client to invite list
480	<	* \param chptr pointer to channel block
481	<	* \param who   pointer to client to add invite to
479	>	/*! \brief Adds client to invite list
480	>	* \param chptr Pointer to channel block
481	>	* \param who   Pointer to client to add invite to
482		*/
483		void
484		add_invite(struct Channel *chptr, struct Client *who)
485		{
486	+	assert(IsClient(who));
487	+
488		del_invite(chptr, who);
489
490		/*
491	<	* delete last link in chain if the list is max length
491	>	* Delete last link in chain if the list is max length
492		*/
493	<	if (dlink_list_length(&who->localClient->invited) >=
494	<	ConfigChannel.max_chans_per_user)
495	<	del_invite(who->localClient->invited.tail->data, who);
493	>	if (dlink_list_length(&who->connection->invited) >=
494	>	ConfigChannel.max_channels)
495	>	del_invite(who->connection->invited.tail->data, who);
496
497	<	/* add client to channel invite list */
497	>	/* Add client to channel invite list */
498		dlinkAdd(who, make_dlink_node(), &chptr->invites);
499
500	<	/* add channel to the end of the client invite list */
501	<	dlinkAdd(chptr, make_dlink_node(), &who->localClient->invited);
500	>	/* Add channel to the end of the client invite list */
501	>	dlinkAdd(chptr, make_dlink_node(), &who->connection->invited);
502		}
503
504		/*! \brief Delete Invite block from channel invite list
505		*         and client invite list
506	<	* \param chptr pointer to Channel struct
507	<	* \param who   pointer to client to remove invites from
506	>	* \param chptr Pointer to Channel struct
507	>	* \param who   Pointer to client to remove invites from
508		*/
509		void
510		del_invite(struct Channel *chptr, struct Client *who)
511		{
512	<	dlink_node *ptr = NULL;
512	>	dlink_node *node = NULL;
513	>
514	>	if ((node = dlinkFindDelete(&who->connection->invited, chptr)))
515	>	free_dlink_node(node);
516	>
517	>	if ((node = dlinkFindDelete(&chptr->invites, who)))
518	>	free_dlink_node(node);
519	>	}
520
521	<	if ((ptr = dlinkFindDelete(&who->localClient->invited, chptr)))
522	<	free_dlink_node(ptr);
521	>	/*! \brief Removes all invites of a specific channel
522	>	* \param chptr Pointer to Channel struct
523	>	*/
524	>	void
525	>	clear_invites_channel(struct Channel *chptr)
526	>	{
527	>	dlink_node *node = NULL, *node_next = NULL;
528
529	<	if ((ptr = dlinkFindDelete(&chptr->invites, who)))
530	<	free_dlink_node(ptr);
529	>	DLINK_FOREACH_SAFE(node, node_next, chptr->invites.head)
530	>	del_invite(chptr, node->data);
531	>	}
532	>
533	>	/*! \brief Removes all invites of a specific client
534	>	* \param source_p Pointer to Client struct
535	>	*/
536	>	void
537	>	clear_invites_client(struct Client *source_p)
538	>	{
539	>	dlink_node *node = NULL, *node_next = NULL;
540	>
541	>	DLINK_FOREACH_SAFE(node, node_next, source_p->connection->invited.head)
542	>	del_invite(node->data, source_p);
543		}
544
545		/* get_member_status()
#	Line 549 | Line 554 | del_invite(struct Channel *chptr, struct
554		* (like in get_client_name)
555		*/
556		const char *
557	<	get_member_status(const struct Membership *ms, int combine)
557	>	get_member_status(const struct Membership *member, const int combine)
558		{
559	<	static char buffer[4];
560	<	char *p = NULL;
556	<
557	<	if (ms == NULL)
558	<	return "";
559	<	p = buffer;
559	>	static char buffer[4];  /* 4 for @%+\0 */
560	>	char *p = buffer;
561
562	<	if (ms->flags & CHFL_CHANOP)
562	>	if (member->flags & CHFL_CHANOP)
563		{
564		if (!combine)
565		return "@";
566		*p++ = '@';
567		}
568
569	<	#ifdef HALFOPS
569	<	if (ms->flags & CHFL_HALFOP)
569	>	if (member->flags & CHFL_HALFOP)
570		{
571		if (!combine)
572		return "%";
573		*p++ = '%';
574		}
575	–	#endif
575
576	<	if (ms->flags & CHFL_VOICE)
576	>	if (member->flags & CHFL_VOICE)
577		*p++ = '+';
578		*p = '\0';
579
#	Line 582 | Line 581 | get_member_status(const struct Membershi
581		}
582
583		/*!
584	<	* \param who  pointer to Client to check
585	<	* \param list pointer to ban list to search
584	>	* \param who  Pointer to Client to check
585	>	* \param list Pointer to ban list to search
586		* \return 1 if ban found for given n!u\@h mask, 0 otherwise
588	–	*
587		*/
588		static int
589		find_bmask(const struct Client *who, const dlink_list *const list)
590		{
591	<	const dlink_node *ptr = NULL;
591	>	const dlink_node *node = NULL;
592
593	<	DLINK_FOREACH(ptr, list->head)
593	>	DLINK_FOREACH(node, list->head)
594		{
595	<	const struct Ban *bp = ptr->data;
595	>	const struct Ban *ban = node->data;
596
597	<	if (!match(bp->name, who->name) && !match(bp->username, who->username))
597	>	if (!match(ban->name, who->name) && !match(ban->user, who->username))
598		{
599	<	switch (bp->type)
599	>	switch (ban->type)
600		{
601		case HM_HOST:
602	<	if (!match(bp->host, who->host) || !match(bp->host, who->sockhost))
602	>	if (!match(ban->host, who->host) || !match(ban->host, who->sockhost))
603		return 1;
604		break;
605		case HM_IPV4:
606	<	if (who->localClient->aftype == AF_INET)
607	<	if (match_ipv4(&who->localClient->ip, &bp->addr, bp->bits))
606	>	if (who->connection->aftype == AF_INET)
607	>	if (match_ipv4(&who->connection->ip, &ban->addr, ban->bits))
608		return 1;
609		break;
612	–	#ifdef IPV6
610		case HM_IPV6:
611	<	if (who->localClient->aftype == AF_INET6)
612	<	if (match_ipv6(&who->localClient->ip, &bp->addr, bp->bits))
611	>	if (who->connection->aftype == AF_INET6)
612	>	if (match_ipv6(&who->connection->ip, &ban->addr, ban->bits))
613		return 1;
614		break;
618	–	#endif
615		default:
616		assert(0);
617		}
#	Line 626 | Line 622 | find_bmask(const struct Client *who, con
622		}
623
624		/*!
625	<	* \param chptr pointer to channel block
626	<	* \param who   pointer to client to check access fo
625	>	* \param chptr Pointer to channel block
626	>	* \param who   Pointer to client to check access fo
627		* \return 0 if not banned, 1 otherwise
628		*/
629		int
#	Line 640 | Line 636 | is_banned(const struct Channel *chptr, c
636		return 0;
637		}
638
639	<	/*!
640	<	* \param source_p pointer to client attempting to join
641	<	* \param chptr    pointer to channel
642	<	* \param key      key sent by client attempting to join if present
639	>	/*! Tests if a client can join a certain channel
640	>	* \param source_p Pointer to client attempting to join
641	>	* \param chptr    Pointer to channel
642	>	* \param key      Key sent by client attempting to join if present
643		* \return ERR_BANNEDFROMCHAN, ERR_INVITEONLYCHAN, ERR_CHANNELISFULL
644		*         or 0 if allowed to join.
645		*/
646		int
647	<	can_join(struct Client *source_p, struct Channel *chptr, const char *key)
647	>	can_join(struct Client *source_p, const struct Channel *chptr, const char *key)
648		{
649	<	if (is_banned(chptr, source_p))
654	<	return ERR_BANNEDFROMCHAN;
655	<
656	<	#ifdef HAVE_LIBCRYPTO
657	<	if ((chptr->mode.mode & MODE_SSLONLY) && !source_p->localClient->fd.ssl)
649	>	if ((chptr->mode.mode & MODE_SSLONLY) && !HasUMode(source_p, UMODE_SSL))
650		return ERR_SSLONLYCHAN;
659	–	#endif
651
652		if ((chptr->mode.mode & MODE_REGONLY) && !HasUMode(source_p, UMODE_REGISTERED))
653		return ERR_NEEDREGGEDNICK;
#	Line 665 | Line 656 | can_join(struct Client *source_p, struct
656		return ERR_OPERONLYCHAN;
657
658		if (chptr->mode.mode & MODE_INVITEONLY)
659	<	if (!dlinkFind(&source_p->localClient->invited, chptr))
659	>	if (!dlinkFind(&source_p->connection->invited, chptr))
660		if (!find_bmask(source_p, &chptr->invexlist))
661		return ERR_INVITEONLYCHAN;
662
#	Line 676 | Line 667 | can_join(struct Client *source_p, struct
667		chptr->mode.limit)
668		return ERR_CHANNELISFULL;
669
670	+	if (is_banned(chptr, source_p))
671	+	return ERR_BANNEDFROMCHAN;
672	+
673		return 0;
674		}
675
676		int
677	<	has_member_flags(struct Membership *ms, unsigned int flags)
677	>	has_member_flags(const struct Membership *member, const unsigned int flags)
678		{
679	<	if (ms != NULL)
686	<	return ms->flags & flags;
687	<	return 0;
679	>	return member && (member->flags & flags);
680		}
681
682		struct Membership *
683		find_channel_link(struct Client *client_p, struct Channel *chptr)
684		{
685	<	dlink_node *ptr = NULL;
685	>	dlink_node *node = NULL;
686
687		if (!IsClient(client_p))
688		return NULL;
689
690	<	DLINK_FOREACH(ptr, client_p->channel.head)
691	<	if (((struct Membership *)ptr->data)->chptr == chptr)
692	<	return ptr->data;
690	>	if (dlink_list_length(&chptr->members) < dlink_list_length(&client_p->channel))
691	>	{
692	>	DLINK_FOREACH(node, chptr->members.head)
693	>	if (((struct Membership *)node->data)->client_p == client_p)
694	>	return node->data;
695	>	}
696	>	else
697	>	{
698	>	DLINK_FOREACH(node, client_p->channel.head)
699	>	if (((struct Membership *)node->data)->chptr == chptr)
700	>	return node->data;
701	>	}
702
703		return NULL;
704		}
705
706	<	/*!
707	<	* \param chptr    pointer to Channel struct
708	<	* \param source_p pointer to Client struct
709	<	* \param ms       pointer to Membership struct (can be NULL)
706	>	/*! Checks if a message contains control codes
707	>	* \param message The actual message string the client wants to send
708	>	* \return 1 if the message does contain any control codes, 0 otherwise
709	>	*/
710	>	static int
711	>	msg_has_ctrls(const char *message)
712	>	{
713	>	const unsigned char *p = (const unsigned char *)message;
714	>
715	>	for (; *p; ++p)
716	>	{
717	>	if (*p > 31 || *p == 1)
718	>	continue;  /* No control code or CTCP */
719	>
720	>	if (*p == 27)  /* Escape */
721	>	{
722	>	/* ISO 2022 charset shift sequence */
723	>	if (*(p + 1) == '$' ||
724	>	*(p + 1) == '(')
725	>	{
726	>	++p;
727	>	continue;
728	>	}
729	>	}
730	>
731	>	return 1;  /* Control code */
732	>	}
733	>
734	>	return 0;  /* No control code found */
735	>	}
736	>
737	>	/*! Tests if a client can send to a channel
738	>	* \param chptr    Pointer to Channel struct
739	>	* \param source_p Pointer to Client struct
740	>	* \param member   Pointer to Membership struct (can be NULL)
741	>	* \param message  The actual message string the client wants to send
742		* \return CAN_SEND_OPV if op or voiced on channel\n
743		*         CAN_SEND_NONOP if can send to channel but is not an op\n
744		*         ERR_CANNOTSENDTOCHAN or ERR_NEEDREGGEDNICK if they cannot send to channel\n
745		*/
746		int
747	<	can_send(struct Channel *chptr, struct Client *source_p, struct Membership *ms)
747	>	can_send(struct Channel *chptr, struct Client *source_p,
748	>	struct Membership *member, const char *message)
749		{
750	+	const struct MaskItem *conf = NULL;
751	+
752		if (IsServer(source_p) || HasFlag(source_p, FLAGS_SERVICE))
753		return CAN_SEND_OPV;
754
755		if (MyClient(source_p) && !IsExemptResv(source_p))
756	<	if (!(HasUMode(source_p, UMODE_OPER) && ConfigFileEntry.oper_pass_resv))
757	<	if (!hash_find_resv(chptr->chname) == ConfigChannel.restrict_channels)
756	>	if (!(HasUMode(source_p, UMODE_OPER) && ConfigGeneral.oper_pass_resv))
757	>	if ((conf = match_find_resv(chptr->name)) && !resv_find_exempt(source_p, conf))
758		return ERR_CANNOTSENDTOCHAN;
759
760	<	if (ms != NULL || (ms = find_channel_link(source_p, chptr)))
761	<	{
762	<	if (ms->flags & (CHFL_CHANOP|CHFL_HALFOP|CHFL_VOICE))
760	>	if ((chptr->mode.mode & MODE_NOCTRL) && msg_has_ctrls(message))
761	>	return ERR_NOCTRLSONCHAN;
762	>
763	>	if (chptr->mode.mode & MODE_NOCTCP)
764	>	if (*message == '\001' && strncmp(message + 1, "ACTION ", 7))
765	>	return ERR_NOCTCP;
766	>
767	>	if (member || (member = find_channel_link(source_p, chptr)))
768	>	if (member->flags & (CHFL_CHANOP | CHFL_HALFOP | CHFL_VOICE))
769		return CAN_SEND_OPV;
770
771	<	/* cache can send if quiet_on_ban and banned */
772	<	if (ConfigChannel.quiet_on_ban && MyClient(source_p))
771	>	if (!member && (chptr->mode.mode & MODE_NOPRIVMSGS))
772	>	return ERR_CANNOTSENDTOCHAN;
773	>
774	>	if (chptr->mode.mode & MODE_MODERATED)
775	>	return ERR_CANNOTSENDTOCHAN;
776	>
777	>	if ((chptr->mode.mode & MODE_MODREG) && !HasUMode(source_p, UMODE_REGISTERED))
778	>	return ERR_NEEDREGGEDNICK;
779	>
780	>	/* Cache can send if banned */
781	>	if (MyClient(source_p))
782	>	{
783	>	if (member)
784		{
785	<	if (ms->flags & CHFL_BAN_SILENCED)
785	>	if (member->flags & CHFL_BAN_SILENCED)
786		return ERR_CANNOTSENDTOCHAN;
787
788	<	if (!(ms->flags & CHFL_BAN_CHECKED))
788	>	if (!(member->flags & CHFL_BAN_CHECKED))
789		{
790		if (is_banned(chptr, source_p))
791		{
792	<	ms->flags |= (CHFL_BAN_CHECKED|CHFL_BAN_SILENCED);
792	>	member->flags |= (CHFL_BAN_CHECKED | CHFL_BAN_SILENCED);
793		return ERR_CANNOTSENDTOCHAN;
794		}
795
796	<	ms->flags |= CHFL_BAN_CHECKED;
796	>	member->flags |= CHFL_BAN_CHECKED;
797		}
798		}
799	+	else if (is_banned(chptr, source_p))
800	+	return ERR_CANNOTSENDTOCHAN;
801		}
747	–	else if (chptr->mode.mode & MODE_NOPRIVMSGS)
748	–	return ERR_CANNOTSENDTOCHAN;
749	–
750	–	if (chptr->mode.mode & MODE_MODERATED)
751	–	return ERR_CANNOTSENDTOCHAN;
802
803		return CAN_SEND_NONOP;
804		}
#	Line 756 | Line 806 | can_send(struct Channel *chptr, struct C
806		/*! \brief Updates the client's oper_warn_count_down, warns the
807		*         IRC operators if necessary, and updates
808		*         join_leave_countdown as needed.
809	<	* \param source_p pointer to struct Client to check
810	<	* \param name     channel name or NULL if this is a part.
809	>	* \param source_p Pointer to struct Client to check
810	>	* \param name     Channel name or NULL if this is a part.
811		*/
812		void
813		check_spambot_warning(struct Client *source_p, const char *name)
#	Line 766 | Line 816 | check_spambot_warning(struct Client *sou
816		int decrement_count = 0;
817
818		if ((GlobalSetOptions.spam_num &&
819	<	(source_p->localClient->join_leave_count >=
819	>	(source_p->connection->join_leave_count >=
820		GlobalSetOptions.spam_num)))
821		{
822	<	if (source_p->localClient->oper_warn_count_down > 0)
823	<	source_p->localClient->oper_warn_count_down--;
822	>	if (source_p->connection->oper_warn_count_down > 0)
823	>	source_p->connection->oper_warn_count_down--;
824		else
825	<	source_p->localClient->oper_warn_count_down = 0;
825	>	source_p->connection->oper_warn_count_down = 0;
826
827	<	if (source_p->localClient->oper_warn_count_down == 0)
827	>	if (source_p->connection->oper_warn_count_down == 0)
828		{
829	<	/* Its already known as a possible spambot */
830	<	if (name != NULL)
829	>	/* It's already known as a possible spambot */
830	>	if (name)
831		sendto_realops_flags(UMODE_BOTS, L_ALL, SEND_NOTICE,
832		"User %s (%s@%s) trying to join %s is a possible spambot",
833		source_p->name, source_p->username,
#	Line 787 | Line 837 | check_spambot_warning(struct Client *sou
837		"User %s (%s@%s) is a possible spambot",
838		source_p->name, source_p->username,
839		source_p->host);
840	<	source_p->localClient->oper_warn_count_down = OPER_SPAM_COUNTDOWN;
840	>	source_p->connection->oper_warn_count_down = OPER_SPAM_COUNTDOWN;
841		}
842		}
843		else
844		{
845	<	if ((t_delta = (CurrentTime - source_p->localClient->last_leave_time)) >
845	>	if ((t_delta = (CurrentTime - source_p->connection->last_leave_time)) >
846		JOIN_LEAVE_COUNT_EXPIRE_TIME)
847		{
848		decrement_count = (t_delta / JOIN_LEAVE_COUNT_EXPIRE_TIME);
849	<	if (decrement_count > source_p->localClient->join_leave_count)
850	<	source_p->localClient->join_leave_count = 0;
849	>
850	>	if (decrement_count > source_p->connection->join_leave_count)
851	>	source_p->connection->join_leave_count = 0;
852		else
853	<	source_p->localClient->join_leave_count -= decrement_count;
853	>	source_p->connection->join_leave_count -= decrement_count;
854		}
855		else
856		{
857	<	if ((CurrentTime - (source_p->localClient->last_join_time)) <
857	>	if ((CurrentTime - (source_p->connection->last_join_time)) <
858		GlobalSetOptions.spam_time)
859	<	{
809	<	/* oh, its a possible spambot */
810	<	source_p->localClient->join_leave_count++;
811	<	}
859	>	source_p->connection->join_leave_count++;  /* It's a possible spambot */
860		}
861
862	<	if (name != NULL)
863	<	source_p->localClient->last_join_time = CurrentTime;
862	>	if (name)
863	>	source_p->connection->last_join_time = CurrentTime;
864		else
865	<	source_p->localClient->last_leave_time = CurrentTime;
865	>	source_p->connection->last_leave_time = CurrentTime;
866		}
867		}
868
869	<	/*! \brief compares usercount and servercount against their split
869	>	/*! \brief Compares usercount and servercount against their split
870		*         values and adjusts splitmode accordingly
871		* \param unused Unused address pointer
872		*/
#	Line 828 | Line 876 | check_splitmode(void *unused)
876		if (splitchecking && (ConfigChannel.no_join_on_split ||
877		ConfigChannel.no_create_on_split))
878		{
879	<	const unsigned int server = dlink_list_length(&global_serv_list);
879	>	const unsigned int server = dlink_list_length(&global_server_list);
880
881		if (!splitmode && ((server < split_servers) || (Count.total < split_users)))
882		{
#	Line 836 | Line 884 | check_splitmode(void *unused)
884
885		sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
886		"Network split, activating splitmode");
887	<	eventAddIsh("check_splitmode", check_splitmode, NULL, 10);
887	>	event_add(&splitmode_event, NULL);
888		}
889	<	else if (splitmode && (server > split_servers) && (Count.total > split_users))
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	<	eventDelete(check_splitmode, NULL);
895	>	event_delete(&splitmode_event);
896		}
897		}
898		}
899
900	<	/*! \brief Sets the channel topic for chptr
900	>	/*! \brief Sets the channel topic for a certain channel
901		* \param chptr      Pointer to struct Channel
902		* \param topic      The topic string
903		* \param topic_info n!u\@h formatted string of the topic setter
904	<	* \param topicts    timestamp on the topic
904	>	* \param topicts    Timestamp on the topic
905	>	* \param local      Whether the topic is set by a local client
906		*/
907		void
908	<	set_channel_topic(struct Channel *chptr, const char *topic,
909	<	const char *topic_info, time_t topicts)
908	>	channel_set_topic(struct Channel *chptr, const char *topic,
909	>	const char *topic_info, time_t topicts, int local)
910		{
911	<	strlcpy(chptr->topic, topic, sizeof(chptr->topic));
911	>	if (local)
912	>	strlcpy(chptr->topic, topic, IRCD_MIN(sizeof(chptr->topic), ConfigServerInfo.max_topic_length + 1));
913	>	else
914	>	strlcpy(chptr->topic, topic, sizeof(chptr->topic));
915	>
916		strlcpy(chptr->topic_info, topic_info, sizeof(chptr->topic_info));
917	<	chptr->topic_time = topicts;
917	>	chptr->topic_time = topicts;
918	>	}
919	>
920	>	/* do_join_0()
921	>	*
922	>	* inputs       - pointer to client doing join 0
923	>	* output       - NONE
924	>	* side effects - Use has decided to join 0. This is legacy
925	>	*                from the days when channels were numbers not names. *sigh*
926	>	*                There is a bunch of evilness necessary here due to
927	>	*                anti spambot code.
928	>	*/
929	>	void
930	>	channel_do_join_0(struct Client *source_p)
931	>	{
932	>	dlink_node *node = NULL, *node_next = NULL;
933	>
934	>	if (source_p->channel.head)
935	>	if (MyConnect(source_p) && !HasUMode(source_p, UMODE_OPER))
936	>	check_spambot_warning(source_p, NULL);
937	>
938	>	DLINK_FOREACH_SAFE(node, node_next, source_p->channel.head)
939	>	{
940	>	struct Channel *chptr = ((struct Membership *)node->data)->chptr;
941	>
942	>	sendto_server(source_p, 0, 0, ":%s PART %s",
943	>	source_p->id, chptr->name);
944	>	sendto_channel_local(0, chptr, ":%s!%s@%s PART %s",
945	>	source_p->name, source_p->username,
946	>	source_p->host, chptr->name);
947	>
948	>	remove_user_from_channel(node->data);
949	>	}
950	>	}
951	>
952	>	static char *
953	>	channel_find_last0(struct Client *source_p, char *chanlist)
954	>	{
955	>	int join0 = 0;
956	>
957	>	for (char *p = chanlist; *p; ++p)  /* Find last "JOIN 0" */
958	>	{
959	>	if (*p == '0' && (*(p + 1) == ',' || *(p + 1) == '\0'))
960	>	{
961	>	if (*(p + 1) == ',')
962	>	++p;
963	>
964	>	chanlist = p + 1;
965	>	join0 = 1;
966	>	}
967	>	else
968	>	{
969	>	while (*p != ',' && *p != '\0')  /* Skip past channel name */
970	>	++p;
971	>
972	>	if (*p == '\0')  /* Hit the end */
973	>	break;
974	>	}
975	>	}
976	>
977	>	if (join0)
978	>	channel_do_join_0(source_p);
979	>
980	>	return chanlist;
981	>	}
982	>
983	>	void
984	>	channel_do_join(struct Client *source_p, char *channel, char *key_list)
985	>	{
986	>	char *p = NULL;
987	>	char *chan = NULL;
988	>	char *chan_list = NULL;
989	>	struct Channel *chptr = NULL;
990	>	struct MaskItem *conf = NULL;
991	>	const struct ClassItem *const class = get_class_ptr(&source_p->connection->confs);
992	>	int i = 0;
993	>	unsigned int flags = 0;
994	>
995	>	assert(IsClient(source_p));
996	>
997	>	chan_list = channel_find_last0(source_p, channel);
998	>
999	>	for (chan = strtoken(&p, chan_list, ","); chan;
1000	>	chan = strtoken(&p,      NULL, ","))
1001	>	{
1002	>	const char *key = NULL;
1003	>
1004	>	/* If we have any more keys, take the first for this channel. */
1005	>	if (!EmptyString(key_list) && (key_list = strchr(key = key_list, ',')))
1006	>	*key_list++ = '\0';
1007	>
1008	>	/* Empty keys are the same as no keys. */
1009	>	if (key && *key == '\0')
1010	>	key = NULL;
1011	>
1012	>	if (!check_channel_name(chan, 1))
1013	>	{
1014	>	sendto_one_numeric(source_p, &me, ERR_BADCHANNAME, chan);
1015	>	continue;
1016	>	}
1017	>
1018	>	if (!IsExemptResv(source_p) &&
1019	>	!(HasUMode(source_p, UMODE_OPER) && ConfigGeneral.oper_pass_resv) &&
1020	>	((conf = match_find_resv(chan)) && !resv_find_exempt(source_p, conf)))
1021	>	{
1022	>	++conf->count;
1023	>	sendto_one_numeric(source_p, &me, ERR_CHANBANREASON, chan, conf->reason);
1024	>	sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
1025	>	"Forbidding reserved channel %s from user %s",
1026	>	chan, get_client_name(source_p, HIDE_IP));
1027	>	continue;
1028	>	}
1029	>
1030	>	if (dlink_list_length(&source_p->channel) >=
1031	>	((class->max_channels) ? class->max_channels : ConfigChannel.max_channels))
1032	>	{
1033	>	sendto_one_numeric(source_p, &me, ERR_TOOMANYCHANNELS, chan);
1034	>	break;
1035	>	}
1036	>
1037	>	if ((chptr = hash_find_channel(chan)))
1038	>	{
1039	>	if (IsMember(source_p, chptr))
1040	>	continue;
1041	>
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	>
1049	>	/*
1050	>	* can_join checks for +i key, bans.
1051	>	*/
1052	>	if ((i = can_join(source_p, chptr, key)))
1053	>	{
1054	>	sendto_one_numeric(source_p, &me, i, chptr->name);
1055	>	continue;
1056	>	}
1057	>
1058	>	/*
1059	>	* This should never be the case unless there is some sort of
1060	>	* persistant channels.
1061	>	*/
1062	>	if (!dlink_list_length(&chptr->members))
1063	>	flags = CHFL_CHANOP;
1064	>	else
1065	>	flags = 0;
1066	>	}
1067	>	else
1068	>	{
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	>
1076	>	flags = CHFL_CHANOP;
1077	>	chptr = make_channel(chan);
1078	>	}
1079	>
1080	>	if (!HasUMode(source_p, UMODE_OPER))
1081	>	check_spambot_warning(source_p, chptr->name);
1082	>
1083	>	add_user_to_channel(chptr, source_p, flags, 1);
1084	>
1085	>	/*
1086	>	* Set timestamp if appropriate, and propagate
1087	>	*/
1088	>	if (flags == CHFL_CHANOP)
1089	>	{
1090	>	chptr->creationtime = CurrentTime;
1091	>	chptr->mode.mode |= MODE_TOPICLIMIT;
1092	>	chptr->mode.mode |= MODE_NOPRIVMSGS;
1093	>
1094	>	sendto_server(source_p, 0, 0, ":%s SJOIN %lu %s +nt :@%s",
1095	>	me.id, (unsigned long)chptr->creationtime,
1096	>	chptr->name, source_p->id);
1097	>
1098	>	/*
1099	>	* Notify all other users on the new channel
1100	>	*/
1101	>	sendto_channel_local_butone(NULL, CAP_EXTENDED_JOIN, 0, chptr, ":%s!%s@%s JOIN %s %s :%s",
1102	>	source_p->name, source_p->username,
1103	>	source_p->host, chptr->name,
1104	>	(!IsDigit(source_p->account[0]) && source_p->account[0] != '*') ? source_p->account : "*",
1105	>	source_p->info);
1106	>	sendto_channel_local_butone(NULL, 0, CAP_EXTENDED_JOIN, chptr, ":%s!%s@%s JOIN :%s",
1107	>	source_p->name, source_p->username,
1108	>	source_p->host, chptr->name);
1109	>	sendto_channel_local(0, chptr, ":%s MODE %s +nt",
1110	>	me.name, chptr->name);
1111	>
1112	>	if (source_p->away[0])
1113	>	sendto_channel_local_butone(source_p, CAP_AWAY_NOTIFY, 0, chptr,
1114	>	":%s!%s@%s AWAY :%s",
1115	>	source_p->name, source_p->username,
1116	>	source_p->host, source_p->away);
1117	>	}
1118	>	else
1119	>	{
1120	>	sendto_server(source_p, 0, 0, ":%s JOIN %lu %s +",
1121	>	source_p->id, (unsigned long)chptr->creationtime,
1122	>	chptr->name);
1123	>
1124	>	sendto_channel_local_butone(NULL, CAP_EXTENDED_JOIN, 0, chptr, ":%s!%s@%s JOIN %s %s :%s",
1125	>	source_p->name, source_p->username,
1126	>	source_p->host, chptr->name,
1127	>	(!IsDigit(source_p->account[0]) && source_p->account[0] != '*') ? source_p->account : "*",
1128	>	source_p->info);
1129	>	sendto_channel_local_butone(NULL, 0, CAP_EXTENDED_JOIN, chptr, ":%s!%s@%s JOIN :%s",
1130	>	source_p->name, source_p->username,
1131	>	source_p->host, chptr->name);
1132	>
1133	>	if (source_p->away[0])
1134	>	sendto_channel_local_butone(source_p, CAP_AWAY_NOTIFY, 0, chptr,
1135	>	":%s!%s@%s AWAY :%s",
1136	>	source_p->name, source_p->username,
1137	>	source_p->host, source_p->away);
1138	>	}
1139	>
1140	>	del_invite(chptr, source_p);
1141	>
1142	>	if (chptr->topic[0])
1143	>	{
1144	>	sendto_one_numeric(source_p, &me, RPL_TOPIC, chptr->name, chptr->topic);
1145	>	sendto_one_numeric(source_p, &me, RPL_TOPICWHOTIME, chptr->name,
1146	>	chptr->topic_info, chptr->topic_time);
1147	>	}
1148	>
1149	>	channel_member_names(source_p, chptr, 1);
1150	>
1151	>	source_p->connection->last_join_time = CurrentTime;
1152	>	}
1153	>	}
1154	>
1155	>	/*! \brief Removes a client from a specific channel
1156	>	* \param source_p Pointer to source client to remove
1157	>	* \param name     Name of channel to remove from
1158	>	* \param reason   Part reason to show
1159	>	*/
1160	>	static void
1161	>	channel_part_one_client(struct Client *source_p, const char *name, const char *reason)
1162	>	{
1163	>	struct Channel *chptr = NULL;
1164	>	struct Membership *member = NULL;
1165	>
1166	>	if ((chptr = hash_find_channel(name)) == NULL)
1167	>	{
1168	>	sendto_one_numeric(source_p, &me, ERR_NOSUCHCHANNEL, name);
1169	>	return;
1170	>	}
1171	>
1172	>	if ((member = find_channel_link(source_p, chptr)) == NULL)
1173	>	{
1174	>	sendto_one_numeric(source_p, &me, ERR_NOTONCHANNEL, chptr->name);
1175	>	return;
1176	>	}
1177	>
1178	>	if (MyConnect(source_p) && !HasUMode(source_p, UMODE_OPER))
1179	>	check_spambot_warning(source_p, NULL);
1180	>
1181	>	/*
1182	>	* Remove user from the old channel (if any)
1183	>	* only allow /part reasons in -m chans
1184	>	*/
1185	>	if (*reason && (!MyConnect(source_p) ||
1186	>	((can_send(chptr, source_p, member, reason) &&
1187	>	(source_p->connection->firsttime + ConfigGeneral.anti_spam_exit_message_time)
1188	>	< CurrentTime))))
1189	>	{
1190	>	sendto_server(source_p, 0, 0, ":%s PART %s :%s",
1191	>	source_p->id, chptr->name, reason);
1192	>	sendto_channel_local(0, chptr, ":%s!%s@%s PART %s :%s",
1193	>	source_p->name, source_p->username,
1194	>	source_p->host, chptr->name, reason);
1195	>	}
1196	>	else
1197	>	{
1198	>	sendto_server(source_p, 0, 0, ":%s PART %s",
1199	>	source_p->id, chptr->name);
1200	>	sendto_channel_local(0, chptr, ":%s!%s@%s PART %s",
1201	>	source_p->name, source_p->username,
1202	>	source_p->host, chptr->name);
1203	>	}
1204	>
1205	>	remove_user_from_channel(member);
1206	>	}
1207	>
1208	>	void
1209	>	channel_do_part(struct Client *source_p, char *channel, const char *reason)
1210	>	{
1211	>	char *p = NULL, *name = NULL;
1212	>	char buf[KICKLEN + 1] = "";
1213	>
1214	>	assert(IsClient(source_p));
1215	>
1216	>	if (!EmptyString(reason))
1217	>	strlcpy(buf, reason, sizeof(buf));
1218	>
1219	>	for (name = strtoken(&p, channel, ","); name;
1220	>	name = strtoken(&p,    NULL, ","))
1221	>	channel_part_one_client(source_p, name, buf);
1222		}

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