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

Comparing ircd-hybrid/trunk/src/channel.c (file contents):
Revision 3235 by michael, Sat Mar 29 19:34:16 2014 UTC vs.
Revision 7076 by michael, Wed Jan 20 11:47:45 2016 UTC

#	Line 1 | Line 1
1		/*
2		*  ircd-hybrid: an advanced, lightweight Internet Relay Chat Daemon (ircd)
3		*
4	<	*  Copyright (c) 1997-2014 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 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 35 | Line 35
35		#include "irc_string.h"
36		#include "ircd.h"
37		#include "numeric.h"
38	<	#include "s_serv.h"
38	>	#include "server.h"
39		#include "send.h"
40		#include "event.h"
41		#include "memory.h"
42		#include "mempool.h"
43	<	#include "s_misc.h"
43	>	#include "misc.h"
44		#include "resv.h"
45
46
47	<	dlink_list global_channel_list;
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;
52	<
53	<	static char buf[IRCD_BUFSIZE];
50	>	static mp_pool_t *member_pool, *channel_pool;
51
52
53		/*! \brief Initializes the channel blockheap, adds known channel CAPAB
#	Line 58 | Line 55 | static char buf[IRCD_BUFSIZE];
55		void
56		channel_init(void)
57		{
58	<	add_capability("EX", CAP_EX, 1);
59	<	add_capability("IE", CAP_IE, 1);
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);
63		member_pool = mp_pool_new(sizeof(struct Membership), MP_CHUNK_SIZE_MEMBER);
64		}
65
66	<	/*! \brief adds a user to a channel by adding another link to the
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
70	<	* \param flags      flags for chanops etc
71	<	* \param flood_ctrl whether to count this join in flood calculations
68	>	* \param chptr      Pointer to channel to add client to
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 *ms = NULL;
77	>	assert(IsClient(client_p));
78
79		if (GlobalSetOptions.joinfloodtime > 0)
80		{
81		if (flood_ctrl)
82	<	chptr->number_joined++;
82	>	++chptr->number_joined;
83
84		chptr->number_joined -= (CurrentTime - chptr->last_join_time) *
85		(((float)GlobalSetOptions.joinfloodcount) /
#	Line 102 | Line 99 | add_user_to_channel(struct Channel *chpt
99		SetJoinFloodNoticed(chptr);
100		sendto_realops_flags(UMODE_BOTS, L_ALL, SEND_NOTICE,
101		"Possible Join Flooder %s on %s target: %s",
102	<	get_client_name(who, HIDE_IP),
103	<	who->servptr->name, chptr->chname);
102	>	get_client_name(client_p, HIDE_IP),
103	>	client_p->servptr->name, chptr->name);
104		}
105		}
106
107		chptr->last_join_time = CurrentTime;
108		}
109
110	<	ms = mp_pool_get(member_pool);
111	<	memset(ms, 0, sizeof(*ms));
110	>	struct Membership *member = mp_pool_get(member_pool);
111	>	member->client_p = client_p;
112	>	member->chptr = chptr;
113	>	member->flags = flags;
114	>
115	>	dlinkAdd(member, &member->channode, &chptr->members);
116
117	<	ms->client_p = who;
118	<	ms->chptr = chptr;
118	<	ms->flags = flags;
117	>	if (MyConnect(client_p))
118	>	dlinkAdd(member, &member->locchannode, &chptr->locmembers);
119
120	<	dlinkAdd(ms, &ms->channode, &chptr->members);
121	<	dlinkAdd(ms, &ms->usernode, &who->channel);
120	>	dlinkAdd(member, &member->usernode, &client_p->channel);
121		}
122
123	<	/*! \brief deletes an user from a channel by removing a link in the
123	>	/*! \brief Deletes an user from a channel by removing a link in the
124		*         channels member chain.
125	<	* \param member pointer to Membership struct
125	>	* \param member Pointer to Membership struct
126		*/
127		void
128		remove_user_from_channel(struct Membership *member)
129		{
130	<	struct Client *client_p = member->client_p;
131	<	struct Channel *chptr = member->chptr;
130	>	struct Client *const client_p = member->client_p;
131	>	struct Channel *const chptr = member->chptr;
132
133		dlinkDelete(&member->channode, &chptr->members);
134	+
135	+	if (MyConnect(client_p))
136	+	dlinkDelete(&member->locchannode, &chptr->locmembers);
137	+
138		dlinkDelete(&member->usernode, &client_p->channel);
139
140		mp_pool_release(member);
141
142		if (chptr->members.head == NULL)
143	<	destroy_channel(chptr);
143	>	channel_free(chptr);
144		}
145
146	<	/* send_members()
146	>	/* channel_send_members()
147		*
148		* inputs       -
149		* output       - NONE
150		* side effects -
151		*/
152		static void
153	<	send_members(struct Client *client_p, struct Channel *chptr,
154	<	char *modebuf, char *parabuf)
153	>	channel_send_members(struct Client *client_p, const struct Channel *chptr,
154	>	char *modebuf, char *parabuf)
155		{
156	<	const dlink_node *ptr = NULL;
156	>	char buf[IRCD_BUFSIZE] = "";
157	>	const dlink_node *node = NULL;
158		int tlen;              /* length of text to append */
159		char *t, *start;       /* temp char pointer */
160
161	<	start = t = buf + snprintf(buf, sizeof(buf), ":%s SJOIN %lu %s %s %s:",
162	<	me.id, (unsigned long)chptr->channelts,
163	<	chptr->chname, modebuf, parabuf);
164	<
165	<	DLINK_FOREACH(ptr, chptr->members.head)
166	<	{
167	<	const struct Membership *ms = ptr->data;
168	<
169	<	tlen = strlen(ms->client_p->id) + 1;  /* nick + space */
170	<
171	<	if (ms->flags & CHFL_CHANOP)
172	<	tlen++;
173	<	#ifdef HALFOPS
174	<	if (ms->flags & CHFL_HALFOP)
175	<	tlen++;
176	<	#endif
177	<	if (ms->flags & CHFL_VOICE)
178	<	tlen++;
179	<
180	<	/* space will be converted into CR, but we also need space for LF..
181	<	* That's why we use '- 1' here
178	<	* -adx */
161	>	start = t = buf + snprintf(buf, sizeof(buf), ":%s SJOIN %ju %s %s %s:",
162	>	me.id, chptr->creationtime,
163	>	chptr->name, modebuf, parabuf);
164	>
165	>	DLINK_FOREACH(node, chptr->members.head)
166	>	{
167	>	const struct Membership *member = node->data;
168	>
169	>	tlen = strlen(member->client_p->id) + 1;  /* +1 for space */
170	>
171	>	if (member->flags & CHFL_CHANOP)
172	>	++tlen;
173	>	if (member->flags & CHFL_HALFOP)
174	>	++tlen;
175	>	if (member->flags & CHFL_VOICE)
176	>	++tlen;
177	>
178	>	/*
179	>	* Space will be converted into CR, but we also need space for LF..
180	>	* That's why we use '- 1' here -adx
181	>	*/
182		if (t + tlen - buf > IRCD_BUFSIZE - 1)
183		{
184	<	*(t - 1) = '\0';  /* kill the space and terminate the string */
184	>	*(t - 1) = '\0';  /* Kill the space and terminate the string */
185		sendto_one(client_p, "%s", buf);
186		t = start;
187		}
188
189	<	if (ms->flags & CHFL_CHANOP)
189	>	if (member->flags & CHFL_CHANOP)
190		*t++ = '@';
191	<	if (ms->flags & CHFL_HALFOP)
191	>	if (member->flags & CHFL_HALFOP)
192		*t++ = '%';
193	<	if (ms->flags & CHFL_VOICE)
193	>	if (member->flags & CHFL_VOICE)
194		*t++ = '+';
195
196	<	strcpy(t, ms->client_p->id);
196	>	strcpy(t, member->client_p->id);
197
198		t += strlen(t);
199		*t++ = ' ';
200		}
201
202	<	/* should always be non-NULL unless we have a kind of persistent channels */
202	>	/* Should always be non-NULL unless we have a kind of persistent channels */
203		if (chptr->members.head)
204	<	t--;  /* take the space out */
204	>	t--;  /* Take the space out */
205		*t = '\0';
206		sendto_one(client_p, "%s", buf);
207		}
208
209	<	/*! \brief sends +b/+e/+I
210	<	* \param client_p client pointer to server
211	<	* \param chptr    pointer to channel
212	<	* \param top      pointer to top of mode link list to send
213	<	* \param flag     char flag flagging type of mode. Currently this can be 'b', e' or 'I'
209	>	/*! \brief Sends +b/+e/+I
210	>	* \param client_p Client pointer to server
211	>	* \param chptr    Pointer to channel
212	>	* \param list     Pointer to list of modes to send
213	>	* \param flag     Char flag flagging type of mode. Currently this can be 'b', e' or 'I'
214		*/
215		static void
216	<	send_mode_list(struct Client *client_p, struct Channel *chptr,
217	<	const dlink_list *top, char flag)
216	>	channel_send_mask_list(struct Client *client_p, const struct Channel *chptr,
217	>	const dlink_list *list, const char flag)
218		{
219	<	const dlink_node *lp = NULL;
219	>	const dlink_node *node = NULL;
220	>	char mbuf[IRCD_BUFSIZE] = "";
221		char pbuf[IRCD_BUFSIZE] = "";
222	<	int tlen, mlen, cur_len, count = 0;
222	>	int tlen, mlen, cur_len;
223		char *pp = pbuf;
224
225	<	if (top->length == 0)
225	>	if (!dlink_list_length(list))
226		return;
227
228	<	mlen = snprintf(buf, sizeof(buf), ":%s BMASK %lu %s %c :", me.id,
229	<	(unsigned long)chptr->channelts, chptr->chname, flag);
228	>	mlen = snprintf(mbuf, sizeof(mbuf), ":%s BMASK %ju %s %c :", me.id,
229	>	chptr->creationtime, chptr->name, flag);
230		cur_len = mlen;
231
232	<	DLINK_FOREACH(lp, top->head)
232	>	DLINK_FOREACH(node, list->head)
233		{
234	<	const struct Ban *banptr = lp->data;
234	>	const struct Ban *ban = node->data;
235
236	<	tlen = banptr->len + 3;
236	>	tlen = ban->len + 3;  /* +3 for ! + @ + space */
237
238		/*
239	<	* send buffer and start over if we cannot fit another ban,
236	<	* or if the target is non-ts6 and we have too many modes in
237	<	* in this line.
239	>	* Send buffer and start over if we cannot fit another ban
240		*/
241		if (cur_len + (tlen - 1) > IRCD_BUFSIZE - 2)
242		{
243	<	*(pp - 1) = '\0';  /* get rid of trailing space on buffer */
244	<	sendto_one(client_p, "%s%s", buf, pbuf);
243	>	*(pp - 1) = '\0';  /* Get rid of trailing space on buffer */
244	>	sendto_one(client_p, "%s%s", mbuf, pbuf);
245
246		cur_len = mlen;
247		pp = pbuf;
246	–	count = 0;
248		}
249
250	<	count++;
250	<	pp += sprintf(pp, "%s!%s@%s ", banptr->name, banptr->user,
251	<	banptr->host);
250	>	pp += sprintf(pp, "%s!%s@%s ", ban->name, ban->user, ban->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", buf, pbuf);
254	>	*(pp - 1) = '\0';  /* Get rid of trailing space on buffer */
255	>	sendto_one(client_p, "%s%s", mbuf, pbuf);
256		}
257
258	<	/*! \brief send "client_p" a full list of the modes for channel chptr
259	<	* \param client_p pointer to client client_p
260	<	* \param chptr    pointer to channel pointer
258	>	/*! \brief Send "client_p" a full list of the modes for channel chptr
259	>	* \param client_p Pointer to client client_p
260	>	* \param chptr    Pointer to channel pointer
261		*/
262		void
263	<	send_channel_modes(struct Client *client_p, struct Channel *chptr)
263	>	channel_send_modes(struct Client *client_p, struct Channel *chptr)
264		{
265		char modebuf[MODEBUFLEN] = "";
266		char parabuf[MODEBUFLEN] = "";
267
268		channel_modes(chptr, client_p, modebuf, parabuf);
269	<	send_members(client_p, chptr, modebuf, parabuf);
269	>	channel_send_members(client_p, chptr, modebuf, parabuf);
270
271	<	send_mode_list(client_p, chptr, &chptr->banlist, 'b');
272	<	send_mode_list(client_p, chptr, &chptr->exceptlist, 'e');
273	<	send_mode_list(client_p, chptr, &chptr->invexlist, 'I');
271	>	channel_send_mask_list(client_p, chptr, &chptr->banlist, 'b');
272	>	channel_send_mask_list(client_p, chptr, &chptr->exceptlist, 'e');
273	>	channel_send_mask_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	<	* \param local indicates whether it's a local or remote creation
276	>	/*! \brief Check channel name for invalid characters
277	>	* \param name Pointer to channel name string
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, const int local)
282	>	channel_check_name(const char *name, const int local)
283		{
284		const char *p = name;
285	<	const int max_length = local ? LOCAL_CHANNELLEN : CHANNELLEN;
286	<	assert(name != NULL);
285	>
286	>	assert(!EmptyString(p));
287
288		if (!IsChanPrefix(*p))
289		return 0;
#	Line 302 | Line 301 | check_channel_name(const char *name, con
301		return 0;
302		}
303
304	<	return p - name <= max_length;
304	>	return p - name <= CHANNELLEN;
305		}
306
307		void
308	<	remove_ban(struct Ban *bptr, dlink_list *list)
308	>	remove_ban(struct Ban *ban, dlink_list *list)
309		{
310	<	dlinkDelete(&bptr->node, list);
311	<
313	<	MyFree(bptr->name);
314	<	MyFree(bptr->user);
315	<	MyFree(bptr->host);
316	<	MyFree(bptr->who);
317	<
318	<	mp_pool_release(bptr);
310	>	dlinkDelete(&ban->node, list);
311	>	mp_pool_release(ban);
312		}
313
314	<	/* free_channel_list()
314	>	/* channel_free_mask_list()
315		*
316		* inputs       - pointer to dlink_list
317		* output       - NONE
318		* side effects -
319		*/
320	<	void
321	<	free_channel_list(dlink_list *list)
320	>	static void
321	>	channel_free_mask_list(dlink_list *list)
322		{
323	<	dlink_node *ptr = NULL, *next_ptr = NULL;
331	<
332	<	DLINK_FOREACH_SAFE(ptr, next_ptr, list->head)
333	<	remove_ban(ptr->data, list);
323	>	dlink_node *node = NULL, *node_next = NULL;
324
325	<	assert(list->tail == NULL && list->head == NULL);
325	>	DLINK_FOREACH_SAFE(node, node_next, list->head)
326	>	remove_ban(node->data, list);
327		}
328
329	<	/*! \brief Get Channel block for chname (and allocate a new channel
329	>	/*! \brief Get Channel block for name (and allocate a new channel
330		*         block, if it didn't exist before)
331	<	* \param chname channel name
332	<	* \return channel block
331	>	* \param name Channel name
332	>	* \return Channel block
333		*/
334		struct Channel *
335	<	make_channel(const char *chname)
335	>	channel_make(const char *name)
336		{
337		struct Channel *chptr = NULL;
338
339	<	assert(!EmptyString(chname));
339	>	assert(!EmptyString(name));
340
341		chptr = mp_pool_get(channel_pool);
342
343	<	memset(chptr, 0, sizeof(*chptr));
344	<
354	<	/* doesn't hurt to set it here */
355	<	chptr->channelts = CurrentTime;
343	>	/* Doesn't hurt to set it here */
344	>	chptr->creationtime = CurrentTime;
345		chptr->last_join_time = CurrentTime;
346
347	<	strlcpy(chptr->chname, chname, sizeof(chptr->chname));
348	<	dlinkAdd(chptr, &chptr->node, &global_channel_list);
347	>	chptr->name_len = strlcpy(chptr->name, name, sizeof(chptr->name));
348	>	if (chptr->name_len >= sizeof(chptr->name))
349	>	chptr->name_len = sizeof(chptr->name) - 1;
350
351	+	dlinkAdd(chptr, &chptr->node, &channel_list);
352		hash_add_channel(chptr);
353
354		return chptr;
355		}
356
357	<	/*! \brief walk through this channel, and destroy it.
358	<	* \param chptr channel pointer
357	>	/*! \brief Walk through this channel, and destroy it.
358	>	* \param chptr Channel pointer
359		*/
360		void
361	<	destroy_channel(struct Channel *chptr)
361	>	channel_free(struct Channel *chptr)
362		{
363	<	dlink_node *ptr = NULL, *ptr_next = NULL;
373	<
374	<	DLINK_FOREACH_SAFE(ptr, ptr_next, chptr->invites.head)
375	<	del_invite(chptr, ptr->data);
363	>	clear_invites_channel(chptr);
364
365	<	/* free ban/exception/invex lists */
366	<	free_channel_list(&chptr->banlist);
367	<	free_channel_list(&chptr->exceptlist);
368	<	free_channel_list(&chptr->invexlist);
365	>	/* Free ban/exception/invex lists */
366	>	channel_free_mask_list(&chptr->banlist);
367	>	channel_free_mask_list(&chptr->exceptlist);
368	>	channel_free_mask_list(&chptr->invexlist);
369
370	<	dlinkDelete(&chptr->node, &global_channel_list);
370	>	dlinkDelete(&chptr->node, &channel_list);
371		hash_del_channel(chptr);
372
373		mp_pool_release(chptr);
374		}
375
376		/*!
377	<	* \param chptr pointer to channel
378	<	* \return string pointer "=" if public, "@" if secret else "*"
377	>	* \param chptr Pointer to channel
378	>	* \return String pointer "=" if public, "@" if secret else "*"
379		*/
380		static const char *
381		channel_pub_or_secret(const struct Channel *chptr)
#	Line 400 | Line 388 | channel_pub_or_secret(const struct Chann
388		}
389
390		/*! \brief lists all names on given channel
391	<	* \param source_p pointer to client struct requesting names
392	<	* \param chptr    pointer to channel block
393	<	* \param show_eon show ENDOFNAMES numeric or not
391	>	* \param client_p Pointer to client struct requesting names
392	>	* \param chptr    Pointer to channel block
393	>	* \param show_eon Show RPL_ENDOFNAMES numeric or not
394		*                 (don't want it with /names with no params)
395		*/
396		void
397	<	channel_member_names(struct Client *source_p, struct Channel *chptr,
397	>	channel_member_names(struct Client *client_p, struct Channel *chptr,
398		int show_eon)
399		{
400	<	const dlink_node *ptr = NULL;
401	<	char lbuf[IRCD_BUFSIZE + 1] = "";
400	>	const dlink_node *node = NULL;
401	>	char buf[IRCD_BUFSIZE + 1] = "";
402		char *t = NULL, *start = NULL;
403		int tlen = 0;
404	<	int is_member = IsMember(source_p, chptr);
405	<	int multi_prefix = HasCap(source_p, CAP_MULTI_PREFIX) != 0;
406	<	int uhnames = HasCap(source_p, CAP_UHNAMES) != 0;
404	>	const int is_member = IsMember(client_p, chptr);
405	>	const int multi_prefix = HasCap(client_p, CAP_MULTI_PREFIX) != 0;
406	>	const int uhnames = HasCap(client_p, CAP_UHNAMES) != 0;
407	>
408	>	assert(IsClient(client_p));
409
410		if (PubChannel(chptr) || is_member)
411		{
412	<	t = lbuf + snprintf(lbuf, sizeof(lbuf), numeric_form(RPL_NAMREPLY),
413	<	me.name, source_p->name,
414	<	channel_pub_or_secret(chptr), chptr->chname);
412	>	t = buf + snprintf(buf, sizeof(buf), numeric_form(RPL_NAMREPLY),
413	>	me.name, client_p->name,
414	>	channel_pub_or_secret(chptr), chptr->name);
415		start = t;
416
417	<	DLINK_FOREACH(ptr, chptr->members.head)
417	>	DLINK_FOREACH(node, chptr->members.head)
418		{
419	<	const struct Membership *ms = ptr->data;
419	>	const struct Membership *member = node->data;
420
421	<	if (HasUMode(ms->client_p, UMODE_INVISIBLE) && !is_member)
421	>	if (HasUMode(member->client_p, UMODE_INVISIBLE) && !is_member)
422		continue;
423
424		if (!uhnames)
425	<	tlen = strlen(ms->client_p->name) + 1;  /* nick + space */
425	>	tlen = strlen(member->client_p->name) + 1;  /* +1 for space */
426		else
427	<	tlen = strlen(ms->client_p->name) + strlen(ms->client_p->username) +
428	<	strlen(ms->client_p->host) + 3;
427	>	tlen = strlen(member->client_p->name) + strlen(member->client_p->username) +
428	>	strlen(member->client_p->host) + 3;  /* +3 for ! + @ + space */
429
430		if (!multi_prefix)
431		{
432	<	if (ms->flags & (CHFL_CHANOP | CHFL_HALFOP | CHFL_VOICE))
432	>	if (member->flags & (CHFL_CHANOP | CHFL_HALFOP | CHFL_VOICE))
433		++tlen;
434		}
435		else
436		{
437	<	if (ms->flags & CHFL_CHANOP)
437	>	if (member->flags & CHFL_CHANOP)
438		++tlen;
439	<	if (ms->flags & CHFL_HALFOP)
439	>	if (member->flags & CHFL_HALFOP)
440		++tlen;
441	<	if (ms->flags & CHFL_VOICE)
441	>	if (member->flags & CHFL_VOICE)
442		++tlen;
443		}
444
445	<	if (t + tlen - lbuf > IRCD_BUFSIZE - 2)
445	>	if (t + tlen - buf > IRCD_BUFSIZE - 2)
446		{
447		*(t - 1) = '\0';
448	<	sendto_one(source_p, "%s", lbuf);
448	>	sendto_one(client_p, "%s", buf);
449		t = start;
450		}
451
452		if (!uhnames)
453	<	t += sprintf(t, "%s%s ", get_member_status(ms, multi_prefix),
454	<	ms->client_p->name);
453	>	t += sprintf(t, "%s%s ", get_member_status(member, multi_prefix),
454	>	member->client_p->name);
455		else
456	<	t += sprintf(t, "%s%s!%s@%s ", get_member_status(ms, multi_prefix),
457	<	ms->client_p->name, ms->client_p->username,
458	<	ms->client_p->host);
456	>	t += sprintf(t, "%s%s!%s@%s ", get_member_status(member, multi_prefix),
457	>	member->client_p->name, member->client_p->username,
458	>	member->client_p->host);
459		}
460
461		if (tlen)
462		{
463		*(t - 1) = '\0';
464	<	sendto_one(source_p, "%s", lbuf);
464	>	sendto_one(client_p, "%s", buf);
465		}
466		}
467
468		if (show_eon)
469	<	sendto_one_numeric(source_p, &me, RPL_ENDOFNAMES, chptr->chname);
469	>	sendto_one_numeric(client_p, &me, RPL_ENDOFNAMES, chptr->name);
470		}
471
472	<	/*! \brief adds client to invite list
473	<	* \param chptr pointer to channel block
474	<	* \param who   pointer to client to add invite to
472	>	/*! \brief Adds client to invite list
473	>	* \param chptr    Pointer to channel block
474	>	* \param client_p Pointer to client to add invite to
475		*/
476		void
477	<	add_invite(struct Channel *chptr, struct Client *who)
477	>	add_invite(struct Channel *chptr, struct Client *client_p)
478		{
479	<	del_invite(chptr, who);
479	>	assert(IsClient(client_p));
480	>
481	>	del_invite(chptr, client_p);
482
483		/*
484	<	* delete last link in chain if the list is max length
484	>	* Delete last link in chain if the list is max length
485		*/
486	<	if (dlink_list_length(&who->localClient->invited) >=
487	<	ConfigChannel.max_chans_per_user)
488	<	del_invite(who->localClient->invited.tail->data, who);
486	>	if (dlink_list_length(&client_p->connection->invited) >=
487	>	ConfigChannel.max_channels)
488	>	del_invite(client_p->connection->invited.tail->data, client_p);
489
490	<	/* add client to channel invite list */
491	<	dlinkAdd(who, make_dlink_node(), &chptr->invites);
490	>	/* Add client to channel invite list */
491	>	dlinkAdd(client_p, make_dlink_node(), &chptr->invites);
492
493	<	/* add channel to the end of the client invite list */
494	<	dlinkAdd(chptr, make_dlink_node(), &who->localClient->invited);
493	>	/* Add channel to the end of the client invite list */
494	>	dlinkAdd(chptr, make_dlink_node(), &client_p->connection->invited);
495		}
496
497		/*! \brief Delete Invite block from channel invite list
498		*         and client invite list
499	<	* \param chptr pointer to Channel struct
500	<	* \param who   pointer to client to remove invites from
499	>	* \param chptr    Pointer to Channel struct
500	>	* \param client_p Pointer to client to remove invites from
501		*/
502		void
503	<	del_invite(struct Channel *chptr, struct Client *who)
503	>	del_invite(struct Channel *chptr, struct Client *client_p)
504		{
505	<	dlink_node *ptr = NULL;
505	>	dlink_node *node = NULL;
506
507	<	if ((ptr = dlinkFindDelete(&who->localClient->invited, chptr)))
508	<	free_dlink_node(ptr);
507	>	if ((node = dlinkFindDelete(&client_p->connection->invited, chptr)))
508	>	free_dlink_node(node);
509
510	<	if ((ptr = dlinkFindDelete(&chptr->invites, who)))
511	<	free_dlink_node(ptr);
510	>	if ((node = dlinkFindDelete(&chptr->invites, client_p)))
511	>	free_dlink_node(node);
512	>	}
513	>
514	>	/*! \brief Removes all invites of a specific channel
515	>	* \param chptr Pointer to Channel struct
516	>	*/
517	>	void
518	>	clear_invites_channel(struct Channel *chptr)
519	>	{
520	>	dlink_node *node = NULL, *node_next = NULL;
521	>
522	>	DLINK_FOREACH_SAFE(node, node_next, chptr->invites.head)
523	>	del_invite(chptr, node->data);
524	>	}
525	>
526	>	/*! \brief Removes all invites of a specific client
527	>	* \param client_p Pointer to Client struct
528	>	*/
529	>	void
530	>	clear_invites_client(struct Client *client_p)
531	>	{
532	>	dlink_node *node = NULL, *node_next = NULL;
533	>
534	>	DLINK_FOREACH_SAFE(node, node_next, client_p->connection->invited.head)
535	>	del_invite(node->data, client_p);
536		}
537
538		/* get_member_status()
#	Line 531 | Line 547 | del_invite(struct Channel *chptr, struct
547		* (like in get_client_name)
548		*/
549		const char *
550	<	get_member_status(const struct Membership *ms, const int combine)
550	>	get_member_status(const struct Membership *member, const int combine)
551		{
552	<	static char buffer[4];
552	>	static char buffer[CMEMBER_STATUS_FLAGS_LEN + 1];  /* +1 for \0 */
553		char *p = buffer;
554
555	<	if (ms->flags & CHFL_CHANOP)
555	>	if (member->flags & CHFL_CHANOP)
556		{
557		if (!combine)
558		return "@";
559		*p++ = '@';
560		}
561
562	<	#ifdef HALFOPS
547	<	if (ms->flags & CHFL_HALFOP)
562	>	if (member->flags & CHFL_HALFOP)
563		{
564		if (!combine)
565		return "%";
566		*p++ = '%';
567		}
553	–	#endif
568
569	<	if (ms->flags & CHFL_VOICE)
569	>	if (member->flags & CHFL_VOICE)
570		*p++ = '+';
571		*p = '\0';
572
#	Line 560 | Line 574 | get_member_status(const struct Membershi
574		}
575
576		/*!
577	<	* \param who  pointer to Client to check
578	<	* \param list pointer to ban list to search
577	>	* \param client_p Pointer to Client to check
578	>	* \param list     Pointer to ban list to search
579		* \return 1 if ban found for given n!u\@h mask, 0 otherwise
566	–	*
580		*/
581		static int
582	<	find_bmask(const struct Client *who, const dlink_list *const list)
582	>	find_bmask(const struct Client *client_p, const dlink_list *const list)
583		{
584	<	const dlink_node *ptr = NULL;
584	>	const dlink_node *node = NULL;
585
586	<	DLINK_FOREACH(ptr, list->head)
586	>	DLINK_FOREACH(node, list->head)
587		{
588	<	const struct Ban *bp = ptr->data;
588	>	const struct Ban *ban = node->data;
589
590	<	if (!match(bp->name, who->name) && !match(bp->user, who->username))
590	>	if (!match(ban->name, client_p->name) && !match(ban->user, client_p->username))
591		{
592	<	switch (bp->type)
592	>	switch (ban->type)
593		{
594		case HM_HOST:
595	<	if (!match(bp->host, who->host) || !match(bp->host, who->sockhost))
595	>	if (!match(ban->host, client_p->host) || !match(ban->host, client_p->sockhost))
596		return 1;
597		break;
598		case HM_IPV4:
599	<	if (who->localClient->aftype == AF_INET)
600	<	if (match_ipv4(&who->localClient->ip, &bp->addr, bp->bits))
599	>	if (client_p->connection->aftype == AF_INET)
600	>	if (match_ipv4(&client_p->connection->ip, &ban->addr, ban->bits))
601		return 1;
602		break;
590	–	#ifdef IPV6
603		case HM_IPV6:
604	<	if (who->localClient->aftype == AF_INET6)
605	<	if (match_ipv6(&who->localClient->ip, &bp->addr, bp->bits))
604	>	if (client_p->connection->aftype == AF_INET6)
605	>	if (match_ipv6(&client_p->connection->ip, &ban->addr, ban->bits))
606		return 1;
607		break;
596	–	#endif
608		default:
609		assert(0);
610		}
#	Line 604 | Line 615 | find_bmask(const struct Client *who, con
615		}
616
617		/*!
618	<	* \param chptr pointer to channel block
619	<	* \param who   pointer to client to check access fo
618	>	* \param chptr    Pointer to channel block
619	>	* \param client_p Pointer to client to check access fo
620		* \return 0 if not banned, 1 otherwise
621		*/
622		int
623	<	is_banned(const struct Channel *chptr, const struct Client *who)
623	>	is_banned(const struct Channel *chptr, const struct Client *client_p)
624		{
625	<	if (find_bmask(who, &chptr->banlist))
626	<	if (!find_bmask(who, &chptr->exceptlist))
625	>	if (find_bmask(client_p, &chptr->banlist))
626	>	if (!find_bmask(client_p, &chptr->exceptlist))
627		return 1;
628
629		return 0;
630		}
631
632	<	/*!
633	<	* \param source_p pointer to client attempting to join
634	<	* \param chptr    pointer to channel
635	<	* \param key      key sent by client attempting to join if present
632	>	/*! Tests if a client can join a certain channel
633	>	* \param client_p Pointer to client attempting to join
634	>	* \param chptr    Pointer to channel
635	>	* \param key      Key sent by client attempting to join if present
636		* \return ERR_BANNEDFROMCHAN, ERR_INVITEONLYCHAN, ERR_CHANNELISFULL
637		*         or 0 if allowed to join.
638		*/
639	<	int
640	<	can_join(struct Client *source_p, struct Channel *chptr, const char *key)
639	>	static int
640	>	can_join(struct Client *client_p, const struct Channel *chptr, const char *key)
641		{
642	<	if ((chptr->mode.mode & MODE_SSLONLY) && !HasUMode(source_p, UMODE_SSL))
642	>	if ((chptr->mode.mode & MODE_SSLONLY) && !HasUMode(client_p, UMODE_SSL))
643		return ERR_SSLONLYCHAN;
644
645	<	if ((chptr->mode.mode & MODE_REGONLY) && !HasUMode(source_p, UMODE_REGISTERED))
645	>	if ((chptr->mode.mode & MODE_REGONLY) && !HasUMode(client_p, UMODE_REGISTERED))
646		return ERR_NEEDREGGEDNICK;
647
648	<	if ((chptr->mode.mode & MODE_OPERONLY) && !HasUMode(source_p, UMODE_OPER))
648	>	if ((chptr->mode.mode & MODE_OPERONLY) && !HasUMode(client_p, UMODE_OPER))
649		return ERR_OPERONLYCHAN;
650
651		if (chptr->mode.mode & MODE_INVITEONLY)
652	<	if (!dlinkFind(&source_p->localClient->invited, chptr))
653	<	if (!find_bmask(source_p, &chptr->invexlist))
652	>	if (!dlinkFind(&client_p->connection->invited, chptr))
653	>	if (!find_bmask(client_p, &chptr->invexlist))
654		return ERR_INVITEONLYCHAN;
655
656		if (chptr->mode.key[0] && (!key || strcmp(chptr->mode.key, key)))
#	Line 649 | Line 660 | can_join(struct Client *source_p, struct
660		chptr->mode.limit)
661		return ERR_CHANNELISFULL;
662
663	<	if (is_banned(chptr, source_p))
663	>	if (is_banned(chptr, client_p))
664		return ERR_BANNEDFROMCHAN;
665
666		return 0;
667		}
668
669		int
670	<	has_member_flags(const struct Membership *ms, const unsigned int flags)
670	>	has_member_flags(const struct Membership *member, const unsigned int flags)
671		{
672	<	return ms && (ms->flags & flags);
672	>	return member && (member->flags & flags);
673		}
674
675		struct Membership *
676		find_channel_link(struct Client *client_p, struct Channel *chptr)
677		{
678	<	dlink_node *ptr = NULL;
678	>	dlink_node *node = NULL;
679
680		if (!IsClient(client_p))
681		return NULL;
682
683		if (dlink_list_length(&chptr->members) < dlink_list_length(&client_p->channel))
684		{
685	<	DLINK_FOREACH(ptr, chptr->members.head)
686	<	if (((struct Membership *)ptr->data)->client_p == client_p)
687	<	return ptr->data;
685	>	DLINK_FOREACH(node, chptr->members.head)
686	>	if (((struct Membership *)node->data)->client_p == client_p)
687	>	return node->data;
688		}
689		else
690		{
691	<	DLINK_FOREACH(ptr, client_p->channel.head)
692	<	if (((struct Membership *)ptr->data)->chptr == chptr)
693	<	return ptr->data;
691	>	DLINK_FOREACH(node, client_p->channel.head)
692	>	if (((struct Membership *)node->data)->chptr == chptr)
693	>	return node->data;
694		}
695
696		return NULL;
697		}
698
699	<	/*
700	<	* Basically the same functionality as in bahamut
699	>	/*! Checks if a message contains control codes
700	>	* \param message The actual message string the client wants to send
701	>	* \return 1 if the message does contain any control codes, 0 otherwise
702		*/
703		static int
704		msg_has_ctrls(const char *message)
#	Line 696 | Line 708 | msg_has_ctrls(const char *message)
708		for (; *p; ++p)
709		{
710		if (*p > 31 || *p == 1)
711	<	continue;
711	>	continue;  /* No control code or CTCP */
712
713	<	if (*p == 27)
713	>	if (*p == 27)  /* Escape */
714		{
715	+	/* ISO 2022 charset shift sequence */
716		if (*(p + 1) == '$' ||
717		*(p + 1) == '(')
718		{
#	Line 708 | Line 721 | msg_has_ctrls(const char *message)
721		}
722		}
723
724	<	return 1;
724	>	return 1;  /* Control code */
725		}
726
727	<	return 0;
727	>	return 0;  /* No control code found */
728		}
729
730	<	/*!
731	<	* \param chptr    pointer to Channel struct
732	<	* \param source_p pointer to Client struct
733	<	* \param ms       pointer to Membership struct (can be NULL)
730	>	/*! Tests if a client can send to a channel
731	>	* \param chptr    Pointer to Channel struct
732	>	* \param client_p Pointer to Client struct
733	>	* \param member   Pointer to Membership struct (can be NULL)
734	>	* \param message  The actual message string the client wants to send
735		* \return CAN_SEND_OPV if op or voiced on channel\n
736		*         CAN_SEND_NONOP if can send to channel but is not an op\n
737		*         ERR_CANNOTSENDTOCHAN or ERR_NEEDREGGEDNICK if they cannot send to channel\n
738		*/
739		int
740	<	can_send(struct Channel *chptr, struct Client *source_p,
741	<	struct Membership *ms, const char *message)
740	>	can_send(struct Channel *chptr, struct Client *client_p,
741	>	struct Membership *member, const char *message, int notice)
742		{
743	<	struct MaskItem *conf = NULL;
743	>	const struct MaskItem *conf = NULL;
744
745	<	if (IsServer(source_p) || HasFlag(source_p, FLAGS_SERVICE))
745	>	if (IsServer(client_p) || HasFlag(client_p, FLAGS_SERVICE))
746		return CAN_SEND_OPV;
747
748	<	if (MyClient(source_p) && !IsExemptResv(source_p))
749	<	if (!(HasUMode(source_p, UMODE_OPER) && ConfigFileEntry.oper_pass_resv))
750	<	if ((conf = match_find_resv(chptr->chname)) && !resv_find_exempt(source_p, conf))
748	>	if (MyConnect(client_p) && !HasFlag(client_p, FLAGS_EXEMPTRESV))
749	>	if (!(HasUMode(client_p, UMODE_OPER) && HasOFlag(client_p, OPER_FLAG_JOIN_RESV)))
750	>	if ((conf = match_find_resv(chptr->name)) && !resv_find_exempt(client_p, conf))
751		return ERR_CANNOTSENDTOCHAN;
752
753		if ((chptr->mode.mode & MODE_NOCTRL) && msg_has_ctrls(message))
754		return ERR_NOCTRLSONCHAN;
755	<	if (ms || (ms = find_channel_link(source_p, chptr)))
756	<	if (ms->flags & (CHFL_CHANOP|CHFL_HALFOP|CHFL_VOICE))
755	>
756	>	if (chptr->mode.mode & MODE_NOCTCP)
757	>	if (*message == '\001' && strncmp(message + 1, "ACTION ", 7))
758	>	return ERR_NOCTCP;
759	>
760	>	if (member || (member = find_channel_link(client_p, chptr)))
761	>	if (member->flags & (CHFL_CHANOP | CHFL_HALFOP | CHFL_VOICE))
762		return CAN_SEND_OPV;
763	<	if (!ms && (chptr->mode.mode & MODE_NOPRIVMSGS))
763	>
764	>	if (!member && (chptr->mode.mode & MODE_NOPRIVMSGS))
765		return ERR_CANNOTSENDTOCHAN;
766	+
767		if (chptr->mode.mode & MODE_MODERATED)
768		return ERR_CANNOTSENDTOCHAN;
769	<	if ((chptr->mode.mode & MODE_MODREG) && !HasUMode(source_p, UMODE_REGISTERED))
769	>
770	>	if ((chptr->mode.mode & MODE_MODREG) && !HasUMode(client_p, UMODE_REGISTERED))
771		return ERR_NEEDREGGEDNICK;
772
773	<	/* cache can send if banned */
774	<	if (MyClient(source_p))
773	>	if ((chptr->mode.mode & MODE_NONOTICE) && notice)
774	>	return ERR_CANNOTSENDTOCHAN;
775	>
776	>	/* Cache can send if banned */
777	>	if (MyConnect(client_p))
778		{
779	<	if (ms)
779	>	if (member)
780		{
781	<	if (ms->flags & CHFL_BAN_SILENCED)
781	>	if (member->flags & CHFL_BAN_SILENCED)
782		return ERR_CANNOTSENDTOCHAN;
783
784	<	if (!(ms->flags & CHFL_BAN_CHECKED))
784	>	if (!(member->flags & CHFL_BAN_CHECKED))
785		{
786	<	if (is_banned(chptr, source_p))
786	>	if (is_banned(chptr, client_p))
787		{
788	<	ms->flags |= (CHFL_BAN_CHECKED|CHFL_BAN_SILENCED);
788	>	member->flags |= (CHFL_BAN_CHECKED | CHFL_BAN_SILENCED);
789		return ERR_CANNOTSENDTOCHAN;
790		}
791
792	<	ms->flags |= CHFL_BAN_CHECKED;
792	>	member->flags |= CHFL_BAN_CHECKED;
793		}
794		}
795	<	else if (is_banned(chptr, source_p))
795	>	else if (is_banned(chptr, client_p))
796		return ERR_CANNOTSENDTOCHAN;
797		}
798
#	Line 777 | Line 802 | can_send(struct Channel *chptr, struct C
802		/*! \brief Updates the client's oper_warn_count_down, warns the
803		*         IRC operators if necessary, and updates
804		*         join_leave_countdown as needed.
805	<	* \param source_p pointer to struct Client to check
806	<	* \param name     channel name or NULL if this is a part.
805	>	* \param client_p Pointer to struct Client to check
806	>	* \param name     Channel name or NULL if this is a part.
807		*/
808		void
809	<	check_spambot_warning(struct Client *source_p, const char *name)
809	>	check_spambot_warning(struct Client *client_p, const char *name)
810		{
811		int t_delta = 0;
812		int decrement_count = 0;
813
814		if ((GlobalSetOptions.spam_num &&
815	<	(source_p->localClient->join_leave_count >=
815	>	(client_p->connection->join_leave_count >=
816		GlobalSetOptions.spam_num)))
817		{
818	<	if (source_p->localClient->oper_warn_count_down > 0)
819	<	source_p->localClient->oper_warn_count_down--;
818	>	if (client_p->connection->oper_warn_count_down > 0)
819	>	client_p->connection->oper_warn_count_down--;
820		else
821	<	source_p->localClient->oper_warn_count_down = 0;
821	>	client_p->connection->oper_warn_count_down = 0;
822
823	<	if (source_p->localClient->oper_warn_count_down == 0)
823	>	if (client_p->connection->oper_warn_count_down == 0)
824		{
825	<	/* Its already known as a possible spambot */
825	>	/* It's already known as a possible spambot */
826		if (name)
827		sendto_realops_flags(UMODE_BOTS, L_ALL, SEND_NOTICE,
828		"User %s (%s@%s) trying to join %s is a possible spambot",
829	<	source_p->name, source_p->username,
830	<	source_p->host, name);
829	>	client_p->name, client_p->username,
830	>	client_p->host, name);
831		else
832		sendto_realops_flags(UMODE_BOTS, L_ALL, SEND_NOTICE,
833		"User %s (%s@%s) is a possible spambot",
834	<	source_p->name, source_p->username,
835	<	source_p->host);
836	<	source_p->localClient->oper_warn_count_down = OPER_SPAM_COUNTDOWN;
834	>	client_p->name, client_p->username,
835	>	client_p->host);
836	>	client_p->connection->oper_warn_count_down = OPER_SPAM_COUNTDOWN;
837		}
838		}
839		else
840		{
841	<	if ((t_delta = (CurrentTime - source_p->localClient->last_leave_time)) >
841	>	if ((t_delta = (CurrentTime - client_p->connection->last_leave_time)) >
842		JOIN_LEAVE_COUNT_EXPIRE_TIME)
843		{
844		decrement_count = (t_delta / JOIN_LEAVE_COUNT_EXPIRE_TIME);
845	<	if (decrement_count > source_p->localClient->join_leave_count)
846	<	source_p->localClient->join_leave_count = 0;
845	>
846	>	if (decrement_count > client_p->connection->join_leave_count)
847	>	client_p->connection->join_leave_count = 0;
848		else
849	<	source_p->localClient->join_leave_count -= decrement_count;
849	>	client_p->connection->join_leave_count -= decrement_count;
850		}
851		else
852		{
853	<	if ((CurrentTime - (source_p->localClient->last_join_time)) <
853	>	if ((CurrentTime - (client_p->connection->last_join_time)) <
854		GlobalSetOptions.spam_time)
855	<	{
830	<	/* oh, its a possible spambot */
831	<	source_p->localClient->join_leave_count++;
832	<	}
855	>	client_p->connection->join_leave_count++;  /* It's a possible spambot */
856		}
857
858		if (name)
859	<	source_p->localClient->last_join_time = CurrentTime;
859	>	client_p->connection->last_join_time = CurrentTime;
860		else
861	<	source_p->localClient->last_leave_time = CurrentTime;
861	>	client_p->connection->last_leave_time = CurrentTime;
862		}
863		}
864
865	<	/*! \brief compares usercount and servercount against their split
866	<	*         values and adjusts splitmode accordingly
867	<	* \param unused Unused address pointer
865	>	/*! \brief Sets the channel topic for a certain channel
866	>	* \param chptr      Pointer to struct Channel
867	>	* \param topic      The topic string
868	>	* \param topic_info n!u\@h formatted string of the topic setter
869	>	* \param topicts    Timestamp on the topic
870	>	* \param local      Whether the topic is set by a local client
871	>	*/
872	>	void
873	>	channel_set_topic(struct Channel *chptr, const char *topic,
874	>	const char *topic_info, time_t topicts, int local)
875	>	{
876	>	if (local)
877	>	strlcpy(chptr->topic, topic, IRCD_MIN(sizeof(chptr->topic), ConfigServerInfo.max_topic_length + 1));
878	>	else
879	>	strlcpy(chptr->topic, topic, sizeof(chptr->topic));
880	>
881	>	strlcpy(chptr->topic_info, topic_info, sizeof(chptr->topic_info));
882	>	chptr->topic_time = topicts;
883	>	}
884	>
885	>	/* do_join_0()
886	>	*
887	>	* inputs       - pointer to client doing join 0
888	>	* output       - NONE
889	>	* side effects - Use has decided to join 0. This is legacy
890	>	*                from the days when channels were numbers not names. *sigh*
891	>	*                There is a bunch of evilness necessary here due to
892	>	*                anti spambot code.
893		*/
894		void
895	<	check_splitmode(void *unused)
895	>	channel_do_join_0(struct Client *client_p)
896		{
897	<	if (splitchecking && (ConfigChannel.no_join_on_split ||
898	<	ConfigChannel.no_create_on_split))
897	>	dlink_node *node = NULL, *node_next = NULL;
898	>
899	>	if (client_p->channel.head)
900	>	if (MyConnect(client_p) && !HasUMode(client_p, UMODE_OPER))
901	>	check_spambot_warning(client_p, NULL);
902	>
903	>	DLINK_FOREACH_SAFE(node, node_next, client_p->channel.head)
904		{
905	<	const unsigned int server = dlink_list_length(&global_serv_list);
905	>	struct Channel *chptr = ((struct Membership *)node->data)->chptr;
906	>
907	>	sendto_server(client_p, 0, 0, ":%s PART %s",
908	>	client_p->id, chptr->name);
909	>	sendto_channel_local(NULL, chptr, 0, 0, 0, ":%s!%s@%s PART %s",
910	>	client_p->name, client_p->username,
911	>	client_p->host, chptr->name);
912	>
913	>	remove_user_from_channel(node->data);
914	>	}
915	>	}
916
917	<	if (!splitmode && ((server < split_servers) || (Count.total < split_users)))
917	>	static char *
918	>	channel_find_last0(struct Client *client_p, char *chanlist)
919	>	{
920	>	int join0 = 0;
921	>
922	>	for (char *p = chanlist; *p; ++p)  /* Find last "JOIN 0" */
923	>	{
924	>	if (*p == '0' && (*(p + 1) == ',' || *(p + 1) == '\0'))
925		{
926	<	splitmode = 1;
926	>	if (*(p + 1) == ',')
927	>	++p;
928
929	<	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
930	<	"Network split, activating splitmode");
860	<	eventAddIsh("check_splitmode", check_splitmode, NULL, 10);
929	>	chanlist = p + 1;
930	>	join0 = 1;
931		}
932	<	else if (splitmode && (server > split_servers) && (Count.total > split_users))
932	>	else
933		{
934	<	splitmode = 0;
934	>	while (*p != ',' && *p != '\0')  /* Skip past channel name */
935	>	++p;
936
937	<	sendto_realops_flags(UMODE_ALL, L_ALL, SEND_NOTICE,
938	<	"Network rejoined, deactivating splitmode");
868	<	eventDelete(check_splitmode, NULL);
937	>	if (*p == '\0')  /* Hit the end */
938	>	break;
939		}
940		}
941	+
942	+	if (join0)
943	+	channel_do_join_0(client_p);
944	+
945	+	return chanlist;
946		}
947
873	–	/*! \brief Sets the channel topic for chptr
874	–	* \param chptr      Pointer to struct Channel
875	–	* \param topic      The topic string
876	–	* \param topic_info n!u\@h formatted string of the topic setter
877	–	* \param topicts    timestamp on the topic
878	–	*/
948		void
949	<	set_channel_topic(struct Channel *chptr, const char *topic,
881	<	const char *topic_info, time_t topicts, int local)
949	>	channel_do_join(struct Client *client_p, char *channel, char *key_list)
950		{
951	<	if (local)
952	<	strlcpy(chptr->topic, topic, IRCD_MIN(sizeof(chptr->topic), ServerInfo.max_topic_length + 1));
951	>	char *p = NULL;
952	>	char *chan = NULL;
953	>	char *chan_list = NULL;
954	>	struct Channel *chptr = NULL;
955	>	struct MaskItem *conf = NULL;
956	>	const struct ClassItem *const class = get_class_ptr(&client_p->connection->confs);
957	>	int i = 0;
958	>	unsigned int flags = 0;
959	>
960	>	assert(IsClient(client_p));
961	>
962	>	chan_list = channel_find_last0(client_p, channel);
963	>
964	>	for (chan = strtok_r(chan_list, ",", &p); chan;
965	>	chan = strtok_r(NULL,      ",", &p))
966	>	{
967	>	const char *key = NULL;
968	>
969	>	/* If we have any more keys, take the first for this channel. */
970	>	if (!EmptyString(key_list) && (key_list = strchr(key = key_list, ',')))
971	>	*key_list++ = '\0';
972	>
973	>	/* Empty keys are the same as no keys. */
974	>	if (key && *key == '\0')
975	>	key = NULL;
976	>
977	>	if (!channel_check_name(chan, 1))
978	>	{
979	>	sendto_one_numeric(client_p, &me, ERR_BADCHANNAME, chan);
980	>	continue;
981	>	}
982	>
983	>	if (!HasFlag(client_p, FLAGS_EXEMPTRESV) &&
984	>	!(HasUMode(client_p, UMODE_OPER) && HasOFlag(client_p, OPER_FLAG_JOIN_RESV)) &&
985	>	((conf = match_find_resv(chan)) && !resv_find_exempt(client_p, conf)))
986	>	{
987	>	++conf->count;
988	>	sendto_one_numeric(client_p, &me, ERR_CHANBANREASON, chan, conf->reason);
989	>	sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
990	>	"Forbidding reserved channel %s from user %s",
991	>	chan, get_client_name(client_p, HIDE_IP));
992	>	continue;
993	>	}
994	>
995	>	if (dlink_list_length(&client_p->channel) >=
996	>	((class->max_channels) ? class->max_channels : ConfigChannel.max_channels))
997	>	{
998	>	sendto_one_numeric(client_p, &me, ERR_TOOMANYCHANNELS, chan);
999	>	break;
1000	>	}
1001	>
1002	>	if ((chptr = hash_find_channel(chan)))
1003	>	{
1004	>	if (IsMember(client_p, chptr))
1005	>	continue;
1006	>
1007	>	/*
1008	>	* can_join checks for +i key, bans.
1009	>	*/
1010	>	if ((i = can_join(client_p, chptr, key)))
1011	>	{
1012	>	sendto_one_numeric(client_p, &me, i, chptr->name);
1013	>	continue;
1014	>	}
1015	>
1016	>	/*
1017	>	* This should never be the case unless there is some sort of
1018	>	* persistant channels.
1019	>	*/
1020	>	if (!dlink_list_length(&chptr->members))
1021	>	flags = CHFL_CHANOP;
1022	>	else
1023	>	flags = 0;
1024	>	}
1025	>	else
1026	>	{
1027	>	flags = CHFL_CHANOP;
1028	>	chptr = channel_make(chan);
1029	>	}
1030	>
1031	>	if (!HasUMode(client_p, UMODE_OPER))
1032	>	check_spambot_warning(client_p, chptr->name);
1033	>
1034	>	add_user_to_channel(chptr, client_p, flags, 1);
1035	>
1036	>	/*
1037	>	* Set timestamp if appropriate, and propagate
1038	>	*/
1039	>	if (flags == CHFL_CHANOP)
1040	>	{
1041	>	chptr->creationtime = CurrentTime;
1042	>	chptr->mode.mode |= MODE_TOPICLIMIT;
1043	>	chptr->mode.mode |= MODE_NOPRIVMSGS;
1044	>
1045	>	sendto_server(client_p, 0, 0, ":%s SJOIN %ju %s +nt :@%s",
1046	>	me.id, chptr->creationtime,
1047	>	chptr->name, client_p->id);
1048	>
1049	>	/*
1050	>	* Notify all other users on the new channel
1051	>	*/
1052	>	sendto_channel_local(NULL, chptr, 0, CAP_EXTENDED_JOIN, 0, ":%s!%s@%s JOIN %s %s :%s",
1053	>	client_p->name, client_p->username,
1054	>	client_p->host, chptr->name, client_p->account, client_p->info);
1055	>	sendto_channel_local(NULL, chptr, 0, 0, CAP_EXTENDED_JOIN, ":%s!%s@%s JOIN :%s",
1056	>	client_p->name, client_p->username,
1057	>	client_p->host, chptr->name);
1058	>	sendto_channel_local(NULL, chptr, 0, 0, 0, ":%s MODE %s +nt",
1059	>	me.name, chptr->name);
1060	>
1061	>	if (client_p->away[0])
1062	>	sendto_channel_local(client_p, chptr, 0, CAP_AWAY_NOTIFY, 0,
1063	>	":%s!%s@%s AWAY :%s",
1064	>	client_p->name, client_p->username,
1065	>	client_p->host, client_p->away);
1066	>	}
1067	>	else
1068	>	{
1069	>	sendto_server(client_p, 0, 0, ":%s JOIN %ju %s +",
1070	>	client_p->id, chptr->creationtime,
1071	>	chptr->name);
1072	>
1073	>	sendto_channel_local(NULL, chptr, 0, CAP_EXTENDED_JOIN, 0, ":%s!%s@%s JOIN %s %s :%s",
1074	>	client_p->name, client_p->username,
1075	>	client_p->host, chptr->name, client_p->account, client_p->info);
1076	>	sendto_channel_local(NULL, chptr, 0, 0, CAP_EXTENDED_JOIN, ":%s!%s@%s JOIN :%s",
1077	>	client_p->name, client_p->username,
1078	>	client_p->host, chptr->name);
1079	>
1080	>	if (client_p->away[0])
1081	>	sendto_channel_local(client_p, chptr, 0, CAP_AWAY_NOTIFY, 0,
1082	>	":%s!%s@%s AWAY :%s",
1083	>	client_p->name, client_p->username,
1084	>	client_p->host, client_p->away);
1085	>	}
1086	>
1087	>	del_invite(chptr, client_p);
1088	>
1089	>	if (chptr->topic[0])
1090	>	{
1091	>	sendto_one_numeric(client_p, &me, RPL_TOPIC, chptr->name, chptr->topic);
1092	>	sendto_one_numeric(client_p, &me, RPL_TOPICWHOTIME, chptr->name,
1093	>	chptr->topic_info, chptr->topic_time);
1094	>	}
1095	>
1096	>	channel_member_names(client_p, chptr, 1);
1097	>
1098	>	client_p->connection->last_join_time = CurrentTime;
1099	>	}
1100	>	}
1101	>
1102	>	/*! \brief Removes a client from a specific channel
1103	>	* \param client_p Pointer to source client to remove
1104	>	* \param name     Name of channel to remove from
1105	>	* \param reason   Part reason to show
1106	>	*/
1107	>	static void
1108	>	channel_part_one_client(struct Client *client_p, const char *name, const char *reason)
1109	>	{
1110	>	struct Channel *chptr = NULL;
1111	>	struct Membership *member = NULL;
1112	>
1113	>	if ((chptr = hash_find_channel(name)) == NULL)
1114	>	{
1115	>	sendto_one_numeric(client_p, &me, ERR_NOSUCHCHANNEL, name);
1116	>	return;
1117	>	}
1118	>
1119	>	if ((member = find_channel_link(client_p, chptr)) == NULL)
1120	>	{
1121	>	sendto_one_numeric(client_p, &me, ERR_NOTONCHANNEL, chptr->name);
1122	>	return;
1123	>	}
1124	>
1125	>	if (MyConnect(client_p) && !HasUMode(client_p, UMODE_OPER))
1126	>	check_spambot_warning(client_p, NULL);
1127	>
1128	>	/*
1129	>	* Remove user from the old channel (if any)
1130	>	* only allow /part reasons in -m chans
1131	>	*/
1132	>	if (*reason && (!MyConnect(client_p) ||
1133	>	((client_p->connection->firsttime +
1134	>	ConfigGeneral.anti_spam_exit_message_time) < CurrentTime &&
1135	>	can_send(chptr, client_p, member, reason, 0) < 0)))
1136	>	{
1137	>	sendto_server(client_p, 0, 0, ":%s PART %s :%s",
1138	>	client_p->id, chptr->name, reason);
1139	>	sendto_channel_local(NULL, chptr, 0, 0, 0, ":%s!%s@%s PART %s :%s",
1140	>	client_p->name, client_p->username,
1141	>	client_p->host, chptr->name, reason);
1142	>	}
1143		else
1144	<	strlcpy(chptr->topic, topic, sizeof(chptr->topic));
1144	>	{
1145	>	sendto_server(client_p, 0, 0, ":%s PART %s",
1146	>	client_p->id, chptr->name);
1147	>	sendto_channel_local(NULL, chptr, 0, 0, 0, ":%s!%s@%s PART %s",
1148	>	client_p->name, client_p->username,
1149	>	client_p->host, chptr->name);
1150	>	}
1151
1152	<	strlcpy(chptr->topic_info, topic_info, sizeof(chptr->topic_info));
1153	<	chptr->topic_time = topicts;
1152	>	remove_user_from_channel(member);
1153	>	}
1154	>
1155	>	void
1156	>	channel_do_part(struct Client *client_p, char *channel, const char *reason)
1157	>	{
1158	>	char *p = NULL, *name = NULL;
1159	>	char buf[KICKLEN + 1] = "";
1160	>
1161	>	assert(IsClient(client_p));
1162	>
1163	>	if (!EmptyString(reason))
1164	>	strlcpy(buf, reason, sizeof(buf));
1165	>
1166	>	for (name = strtok_r(channel, ",", &p); name;
1167	>	name = strtok_r(NULL,    ",", &p))
1168	>	channel_part_one_client(client_p, name, buf);
1169		}

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