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

Comparing:
ircd-hybrid/src/channel.c (file contents), Revision 32 by knight, Sun Oct 2 20:41:23 2005 UTC vs.
ircd-hybrid/trunk/src/channel.c (file contents), Revision 7544 by michael, Thu Apr 21 11:16:14 2016 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) 1997-2016 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 25 | Line 25
25		*/
26
27		#include "stdinc.h"
28	<	#include "tools.h"
28	>	#include "list.h"
29		#include "channel.h"
30		#include "channel_mode.h"
31		#include "client.h"
32	–	#include "common.h"
32		#include "hash.h"
33	+	#include "conf.h"
34	+	#include "conf_resv.h"
35	+	#include "hostmask.h"
36		#include "irc_string.h"
35	–	#include "sprintf_irc.h"
37		#include "ircd.h"
37	–	#include "list.h"
38		#include "numeric.h"
39	<	#include "s_serv.h"             /* captab */
40	<	#include "s_user.h"
39	>	#include "server.h"
40		#include "send.h"
42	–	#include "s_conf.h"             /* ConfigFileEntry, ConfigChannel */
41		#include "event.h"
42		#include "memory.h"
43	<	#include "balloc.h"
43	>	#include "mempool.h"
44	>	#include "misc.h"
45	>
46	>
47	>	dlink_list channel_list;
48	>	mp_pool_t *ban_pool;    /*! \todo ban_pool shouldn't be a global var */
49
50	<	struct config_channel_entry ConfigChannel;
48	<	dlink_list global_channel_list = { NULL, NULL, 0 };
49	<	dlink_list lazylink_channels = { NULL, NULL, 0 };
50	<	BlockHeap *ban_heap;    /*! \todo ban_heap shouldn't be a global var */
51	<
52	<	static BlockHeap *topic_heap = NULL;
53	<	static BlockHeap *member_heap = NULL;
54	<	static BlockHeap *channel_heap = NULL;
55	<
56	<	static char buf[IRCD_BUFSIZE];
57	<	static char modebuf[MODEBUFLEN];
58	<	static char parabuf[MODEBUFLEN];
50	>	static mp_pool_t *member_pool, *channel_pool;
51
52
53		/*! \brief Initializes the channel blockheap, adds known channel CAPAB
54		*/
55		void
56	<	init_channels(void)
56	>	channel_init(void)
57		{
58	<	/*
59	<	* XXX - These should get moved to somwhere else once we have
68	<	* a modular channelmode system
69	<	*/
70	<	add_capability("EX", CAP_EX, 1);
71	<	add_capability("IE", CAP_IE, 1);
72	<	add_capability("CHW", CAP_CHW, 1);
58	>	add_capability("EX", CAPAB_EX);
59	>	add_capability("IE", CAPAB_IE);
60
61	<	channel_heap = BlockHeapCreate("channel", sizeof(struct Channel), CHANNEL_HEAP_SIZE);
62	<	ban_heap = BlockHeapCreate("ban", sizeof(struct Ban), BAN_HEAP_SIZE);
63	<	topic_heap = BlockHeapCreate("topic", TOPICLEN+1 + USERHOST_REPLYLEN, TOPIC_HEAP_SIZE);
77	<	member_heap = BlockHeapCreate("member", sizeof(struct Membership), CHANNEL_HEAP_SIZE*2);
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 111 | Line 97 | add_user_to_channel(struct Channel *chpt
97		if (!IsSetJoinFloodNoticed(chptr))
98		{
99		SetJoinFloodNoticed(chptr);
100	<	sendto_realops_flags(UMODE_BOTS, L_ALL,
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 = BlockHeapAlloc(member_heap);
111	<	ms->client_p = who;
112	<	ms->chptr = chptr;
113	<	ms->flags = flags;
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(ms, &ms->channode, &chptr->members);
115	>	dlinkAdd(member, &member->channode, &chptr->members);
116
117	<	if (MyConnect(who))
118	<	dlinkAdd(ms, &ms->locchannode, &chptr->locmembers);
117	>	if (MyConnect(client_p))
118	>	dlinkAdd(member, &member->locchannode, &chptr->locmembers);
119
120	<	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
#	Line 151 | Line 137 | remove_user_from_channel(struct Membersh
137
138		dlinkDelete(&member->usernode, &client_p->channel);
139
140	<	BlockHeapFree(member_heap, member);
140	>	mp_pool_release(member);
141
142	<	if (dlink_list_length(&chptr->members) == 0)
143	<	{
158	<	assert(dlink_list_length(&chptr->locmembers) == 0);
159	<	destroy_channel(chptr);
160	<	}
142	>	if (chptr->members.head == NULL)
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 *lmodebuf, char *lparabuf)
153	>	channel_send_members(struct Client *client_p, const struct Channel *chptr,
154	>	char *modebuf, char *parabuf)
155		{
156	<	struct Membership *ms;
157	<	dlink_node *ptr;
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 + ircsprintf(buf, ":%s SJOIN %lu %s %s %s:",
162	<	ID_or_name(&me, client_p),
163	<	(unsigned long)chptr->channelts,
164	<	chptr->chname, lmodebuf, lparabuf);
165	<
166	<	DLINK_FOREACH(ptr, chptr->members.head)
167	<	{
168	<	ms = ptr->data;
169	<
170	<	tlen = strlen(IsCapable(client_p, CAP_TS6) ?
171	<	ID(ms->client_p) : ms->client_p->name) + 1;  /* nick + space */
172	<
173	<	if (ms->flags & CHFL_CHANOP)
174	<	tlen++;
175	<	#ifdef HALFOPS
176	<	if (ms->flags & CHFL_HALFOP)
177	<	tlen++;
178	<	#endif
179	<	if (ms->flags & CHFL_VOICE)
180	<	tlen++;
181	<
182	<	/* space will be converted into CR, but we also need space for LF..
200	<	* That's why we use '- 1' here
201	<	* -adx */
202	<	if (t + tlen - buf > sizeof(buf) - 1)
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	<	strcpy(t, get_member_status(ms, YES));
190	<	t += strlen(t);
189	>	if (member->flags & CHFL_CHANOP)
190	>	*t++ = '@';
191	>	if (member->flags & CHFL_HALFOP)
192	>	*t++ = '%';
193	>	if (member->flags & CHFL_VOICE)
194	>	*t++ = '+';
195	>
196	>	strcpy(t, member->client_p->id);
197
212	–	if (IsCapable(client_p, CAP_TS6))
213	–	strcpy(t, ID(ms->client_p));
214	–	else
215	–	strcpy(t, ms->client_p->name);
198		t += strlen(t);
199		*t++ = ' ';
200		}
201
202	<	/* should always be non-NULL unless we have a kind of persistent channels */
203	<	if (chptr->members.head != NULL)
204	<	t--;  /* take the space out */
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 */
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	<	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	<	int ts5 = !IsCapable(client_p, CAP_TS6);
220	<	dlink_node *lp;
221	<	struct Ban *banptr;
222	<	char pbuf[IRCD_BUFSIZE];
223	<	int tlen, mlen, cur_len, count = 0;
242	<	char *mp = NULL, *pp = pbuf;
219	>	const dlink_node *node = NULL;
220	>	char mbuf[IRCD_BUFSIZE] = "";
221	>	char pbuf[IRCD_BUFSIZE] = "";
222	>	int tlen, mlen, cur_len;
223	>	char *pp = pbuf;
224
225	<	if (top == NULL || top->length == 0)
225	>	if (!dlink_list_length(list))
226		return;
227
228	<	if (ts5)
229	<	mlen = ircsprintf(buf, ":%s MODE %s +", me.name, chptr->chname);
230	<	else
250	<	mlen = ircsprintf(buf, ":%s BMASK %lu %s %c :", me.id,
251	<	(unsigned long)chptr->channelts, chptr->chname, flag);
252	<
253	<	/* MODE needs additional one byte for space between buf and pbuf */
254	<	cur_len = mlen + ts5;
255	<	mp = buf + mlen;
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	<	banptr = lp->data;
234	>	const struct Ban *ban = node->data;
235
236	<	/* must add another b/e/I letter if we use MODE */
262	<	tlen = banptr->len + 3 + ts5;
236	>	tlen = ban->len + 3;  /* +3 for ! + @ + space */
237
238		/*
239	<	* send buffer and start over if we cannot fit another ban,
266	<	* or if the target is non-ts6 and we have too many modes in
267	<	* 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 ||
270	<	(!IsCapable(client_p, CAP_TS6) &&
271	<	(count >= MAXMODEPARAMS || pp - pbuf >= MODEBUFLEN)))
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%s", buf, ts5 ? " " : "", 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 + ts5;
277	<	mp = buf + mlen;
246	>	cur_len = mlen;
247		pp = pbuf;
279	–	count = 0;
280	–	}
281	–
282	–	count++;
283	–	if (ts5)
284	–	{
285	–	*mp++ = flag;
286	–	*mp = '\0';
248		}
249
250	<	pp += ircsprintf(pp, "%s!%s@%s ", banptr->name, banptr->username,
290	<	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%s", buf, ts5 ? " " : "", 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	<	if (chptr->chname[0] != '#')
266	<	return;
265	>	char modebuf[MODEBUFLEN] = "";
266	>	char parabuf[MODEBUFLEN] = "";
267
308	–	*modebuf = *parabuf = '\0';
268		channel_modes(chptr, client_p, modebuf, parabuf);
269	<	send_members(client_p, chptr, modebuf, parabuf);
311	<
312	<	send_mode_list(client_p, chptr, &chptr->banlist, 'b');
269	>	channel_send_members(client_p, chptr, modebuf, parabuf);
270
271	<	if (IsCapable(client_p, CAP_EX))
272	<	send_mode_list(client_p, chptr, &chptr->exceptlist, 'e');
273	<	if (IsCapable(client_p, CAP_IE))
317	<	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	<	* \return TRUE (1) if name ok, FALSE (0) otherwise
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)
282	>	channel_check_name(const char *name, const int local)
283		{
284	<	const unsigned char *p = (const unsigned char *)name;
328	<	assert(name != NULL);
284	>	const char *p = name;
285
286	<	for (; *p; ++p)
287	<	if (!IsChanChar(*p))
288	<	return 0;
286	>	assert(!EmptyString(p));
287	>
288	>	if (!IsChanPrefix(*p))
289	>	return 0;
290	>
291	>	if (!local || !ConfigChannel.disable_fake_channels)
292	>	{
293	>	while (*++p)
294	>	if (!IsChanChar(*p))
295	>	return 0;
296	>	}
297	>	else
298	>	{
299	>	while (*++p)
300	>	if (!IsVisibleChanChar(*p))
301	>	return 0;
302	>	}
303
304	<	return 1;
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	<
342	<	MyFree(bptr->name);
343	<	MyFree(bptr->username);
344	<	MyFree(bptr->host);
345	<	MyFree(bptr->who);
346	<
347	<	BlockHeapFree(ban_heap, 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;
324	<
325	<	DLINK_FOREACH_SAFE(ptr, next_ptr, list->head)
326	<	remove_ban(ptr->data, list);
327	<
364	<	assert(list->tail == NULL && list->head == NULL);
323	>	while (list->head)
324	>	{
325	>	struct Ban *ban = list->head->data;
326	>	remove_ban(ban, list);
327	>	}
328		}
329
330	<	/*! \brief Get Channel block for chname (and allocate a new channel
330	>	/*! \brief Get Channel block for name (and allocate a new channel
331		*         block, if it didn't exist before)
332	<	* \param client_p client pointer
333	<	* \param chname   channel name
371	<	* \param isnew    pointer to int flag whether channel was newly created or not
372	<	* \return channel block or NULL if illegal name
332	>	* \param name Channel name
333	>	* \return Channel block
334		*/
335		struct Channel *
336	<	get_or_create_channel(struct Client *client_p, const char *chname, int *isnew)
336	>	channel_make(const char *name)
337		{
338		struct Channel *chptr = NULL;
378	–	int len;
339
340	<	if (EmptyString(chname))
381	<	return NULL;
340	>	assert(!EmptyString(name));
341
342	<	if ((len = strlen(chname)) > CHANNELLEN)
384	<	{
385	<	if (IsServer(client_p))
386	<	sendto_realops_flags(UMODE_DEBUG, L_ALL,
387	<	"*** Long channel name from %s (%d > %d): %s",
388	<	client_p->name, len, CHANNELLEN, chname);
389	<	return NULL;
390	<	}
342	>	chptr = mp_pool_get(channel_pool);
343
344	<	if ((chptr = hash_find_channel(chname)) != NULL)
345	<	{
346	<	if (isnew != NULL)
395	<	*isnew = 0;
344	>	/* Doesn't hurt to set it here */
345	>	chptr->creationtime = CurrentTime;
346	>	chptr->last_join_time = CurrentTime;
347
348	<	return chptr;
349	<	}
350	<
400	<	if (isnew != NULL)
401	<	*isnew = 1;
402	<
403	<	chptr = BlockHeapAlloc(channel_heap);
404	<	/* doesn't hurt to set it here */
405	<	chptr->channelts = chptr->last_join_time = CurrentTime;
406	<
407	<	strlcpy(chptr->chname, chname, sizeof(chptr->chname));
408	<	dlinkAdd(chptr, &chptr->node, &global_channel_list);
348	>	chptr->name_len = strlcpy(chptr->name, name, sizeof(chptr->name));
349	>	if (chptr->name_len >= sizeof(chptr->name))
350	>	chptr->name_len = sizeof(chptr->name) - 1;
351
352	+	dlinkAdd(chptr, &chptr->node, &channel_list);
353		hash_add_channel(chptr);
354
355		return chptr;
356		}
357
358	<	/*! \brief walk through this channel, and destroy it.
359	<	* \param chptr channel pointer
358	>	/*! \brief Walk through this channel, and destroy it.
359	>	* \param chptr Channel pointer
360		*/
361		void
362	<	destroy_channel(struct Channel *chptr)
362	>	channel_free(struct Channel *chptr)
363		{
364	<	dlink_node *ptr = NULL, *ptr_next = NULL;
364	>	clear_invites_channel(chptr);
365
366	<	DLINK_FOREACH_SAFE(ptr, ptr_next, chptr->invites.head)
367	<	del_invite(chptr, ptr->data);
366	>	/* Free ban/exception/invex lists */
367	>	channel_free_mask_list(&chptr->banlist);
368	>	channel_free_mask_list(&chptr->exceptlist);
369	>	channel_free_mask_list(&chptr->invexlist);
370
371	<	/* free ban/exception/invex lists */
427	<	free_channel_list(&chptr->banlist);
428	<	free_channel_list(&chptr->exceptlist);
429	<	free_channel_list(&chptr->invexlist);
430	<
431	<	/* Free the topic */
432	<	free_topic(chptr);
433	<
434	<	dlinkDelete(&chptr->node, &global_channel_list);
371	>	dlinkDelete(&chptr->node, &channel_list);
372		hash_del_channel(chptr);
373
374	<	if (ServerInfo.hub)
438	<	if ((ptr = dlinkFindDelete(&lazylink_channels, chptr)))
439	<	free_dlink_node(ptr);
440	<
441	<	BlockHeapFree(channel_heap, chptr);
374	>	mp_pool_release(chptr);
375		}
376
377		/*!
378	<	* \param chptr pointer to channel
379	<	* \return string pointer "=" if public, "@" if secret else "*"
378	>	* \param chptr Pointer to channel
379	>	* \return String pointer "=" if public, "@" if secret else "*"
380		*/
381		static const char *
382	<	channel_pub_or_secret(struct Channel *chptr)
382	>	channel_pub_or_secret(const struct Channel *chptr)
383		{
384		if (SecretChannel(chptr))
385		return "@";
#	Line 456 | Line 389 | channel_pub_or_secret(struct Channel *ch
389		}
390
391		/*! \brief lists all names on given channel
392	<	* \param source_p pointer to client struct requesting names
393	<	* \param chptr    pointer to channel block
394	<	* \param show_eon show ENDOFNAMES numeric or not
392	>	* \param client_p Pointer to client struct requesting names
393	>	* \param chptr    Pointer to channel block
394	>	* \param show_eon Show RPL_ENDOFNAMES numeric or not
395		*                 (don't want it with /names with no params)
396		*/
397		void
398	<	channel_member_names(struct Client *source_p, struct Channel *chptr,
398	>	channel_member_names(struct Client *client_p, struct Channel *chptr,
399		int show_eon)
400		{
401	<	struct Client *target_p = NULL;
402	<	struct Membership *ms = NULL;
470	<	dlink_node *ptr = NULL;
471	<	char lbuf[IRCD_BUFSIZE + 1];
401	>	const dlink_node *node = NULL;
402	>	char buf[IRCD_BUFSIZE + 1] = "";
403		char *t = NULL, *start = NULL;
404		int tlen = 0;
405	<	int is_member = IsMember(source_p, chptr);
405	>	const int is_member = IsMember(client_p, chptr);
406	>	const int multi_prefix = HasCap(client_p, CAP_MULTI_PREFIX) != 0;
407	>	const int uhnames = HasCap(client_p, CAP_UHNAMES) != 0;
408	>
409	>	assert(IsClient(client_p));
410
411		if (PubChannel(chptr) || is_member)
412		{
413	<	t = lbuf + ircsprintf(lbuf, form_str(RPL_NAMREPLY),
414	<	me.name, source_p->name,
415	<	channel_pub_or_secret(chptr),
481	<	chptr->chname);
413	>	t = buf + snprintf(buf, sizeof(buf), numeric_form(RPL_NAMREPLY),
414	>	me.name, client_p->name,
415	>	channel_pub_or_secret(chptr), chptr->name);
416		start = t;
417
418	<	DLINK_FOREACH(ptr, chptr->members.head)
418	>	DLINK_FOREACH(node, chptr->members.head)
419		{
420	<	ms       = ptr->data;
487	<	target_p = ms->client_p;
420	>	const struct Membership *member = node->data;
421
422	<	if (IsInvisible(target_p) && !is_member)
422	>	if (HasUMode(member->client_p, UMODE_INVISIBLE) && !is_member)
423		continue;
424
425	<	tlen = strlen(target_p->name) + 1;  /* nick + space */
425	>	if (!uhnames)
426	>	tlen = strlen(member->client_p->name) + 1;  /* +1 for space */
427	>	else
428	>	tlen = strlen(member->client_p->name) + strlen(member->client_p->username) +
429	>	strlen(member->client_p->host) + 3;  /* +3 for ! + @ + space */
430	>
431	>	if (!multi_prefix)
432	>	{
433	>	if (member->flags & (CHFL_CHANOP | CHFL_HALFOP | CHFL_VOICE))
434	>	++tlen;
435	>	}
436	>	else
437	>	{
438	>	if (member->flags & CHFL_CHANOP)
439	>	++tlen;
440	>	if (member->flags & CHFL_HALFOP)
441	>	++tlen;
442	>	if (member->flags & CHFL_VOICE)
443	>	++tlen;
444	>	}
445
446	<	if (ms->flags & (CHFL_CHANOP | CHFL_HALFOP | CHFL_VOICE))
495	<	++tlen;
496	<	if (t + tlen - lbuf > IRCD_BUFSIZE)
446	>	if (t + tlen - buf > IRCD_BUFSIZE - 2)
447		{
448		*(t - 1) = '\0';
449	<	sendto_one(source_p, "%s", lbuf);
449	>	sendto_one(client_p, "%s", buf);
450		t = start;
451		}
452
453	<	t += ircsprintf(t, "%s%s ", get_member_status(ms, NO),
454	<	target_p->name);
453	>	if (!uhnames)
454	>	t += sprintf(t, "%s%s ", get_member_status(member, multi_prefix),
455	>	member->client_p->name);
456	>	else
457	>	t += sprintf(t, "%s%s!%s@%s ", get_member_status(member, multi_prefix),
458	>	member->client_p->name, member->client_p->username,
459	>	member->client_p->host);
460		}
461
462	<	if (tlen != 0)
462	>	if (tlen)
463		{
464		*(t - 1) = '\0';
465	<	sendto_one(source_p, "%s", lbuf);
465	>	sendto_one(client_p, "%s", buf);
466		}
467		}
468
469		if (show_eon)
470	<	sendto_one(source_p, form_str(RPL_ENDOFNAMES),
516	<	me.name, source_p->name, chptr->chname);
470	>	sendto_one_numeric(client_p, &me, RPL_ENDOFNAMES, chptr->name);
471		}
472
473	<	/*! \brief adds client to invite list
474	<	* \param chptr pointer to channel block
475	<	* \param who   pointer to client to add invite to
473	>	/*! \brief Adds client to invite list
474	>	* \param chptr    Pointer to channel block
475	>	* \param client_p Pointer to client to add invite to
476		*/
477		void
478	<	add_invite(struct Channel *chptr, struct Client *who)
478	>	add_invite(struct Channel *chptr, struct Client *client_p)
479		{
480	<	del_invite(chptr, who);
480	>	assert(IsClient(client_p));
481
482	<	/*
529	<	* delete last link in chain if the list is max length
530	<	*/
531	<	if (dlink_list_length(&who->invited) >=
532	<	ConfigChannel.max_chans_per_user)
533	<	del_invite(who->invited.tail->data, who);
482	>	del_invite(chptr, client_p);
483
484	<	/* add client to channel invite list */
485	<	dlinkAdd(who, make_dlink_node(), &chptr->invites);
484	>	/* Delete last link in chain if the list is max length */
485	>	while (dlink_list_length(&client_p->connection->invited) &&
486	>	dlink_list_length(&client_p->connection->invited) >= ConfigChannel.max_channels)
487	>	del_invite(client_p->connection->invited.tail->data, client_p);
488
489	<	/* add channel to the end of the client invite list */
490	<	dlinkAdd(chptr, make_dlink_node(), &who->invited);
489	>	/* Add client to channel invite list */
490	>	dlinkAdd(client_p, make_dlink_node(), &chptr->invites);
491	>
492	>	/* Add channel to the end of the client invite list */
493	>	dlinkAdd(chptr, make_dlink_node(), &client_p->connection->invited);
494		}
495
496		/*! \brief Delete Invite block from channel invite list
497		*         and client invite list
498	<	* \param chptr pointer to Channel struct
499	<	* \param who   pointer to client to remove invites from
498	>	* \param chptr    Pointer to Channel struct
499	>	* \param client_p Pointer to client to remove invites from
500		*/
501		void
502	<	del_invite(struct Channel *chptr, struct Client *who)
502	>	del_invite(struct Channel *chptr, struct Client *client_p)
503		{
504	<	dlink_node *ptr = NULL;
504	>	dlink_node *node = NULL;
505	>
506	>	if ((node = dlinkFindDelete(&client_p->connection->invited, chptr)))
507	>	free_dlink_node(node);
508	>
509	>	if ((node = dlinkFindDelete(&chptr->invites, client_p)))
510	>	free_dlink_node(node);
511	>	}
512
513	<	if ((ptr = dlinkFindDelete(&who->invited, chptr)))
514	<	free_dlink_node(ptr);
513	>	/*! \brief Removes all invites of a specific channel
514	>	* \param chptr Pointer to Channel struct
515	>	*/
516	>	void
517	>	clear_invites_channel(struct Channel *chptr)
518	>	{
519	>	dlink_node *node = NULL, *node_next = NULL;
520
521	<	if ((ptr = dlinkFindDelete(&chptr->invites, who)))
522	<	free_dlink_node(ptr);
521	>	DLINK_FOREACH_SAFE(node, node_next, chptr->invites.head)
522	>	del_invite(chptr, node->data);
523	>	}
524	>
525	>	/*! \brief Removes all invites of a specific client
526	>	* \param client_p Pointer to Client struct
527	>	*/
528	>	void
529	>	clear_invites_client(struct Client *client_p)
530	>	{
531	>	dlink_node *node = NULL, *node_next = NULL;
532	>
533	>	DLINK_FOREACH_SAFE(node, node_next, client_p->connection->invited.head)
534	>	del_invite(node->data, client_p);
535		}
536
537		/* get_member_status()
#	Line 568 | Line 546 | del_invite(struct Channel *chptr, struct
546		* (like in get_client_name)
547		*/
548		const char *
549	<	get_member_status(const struct Membership *ms, int combine)
549	>	get_member_status(const struct Membership *member, const int combine)
550		{
551	<	static char buffer[4];
552	<	char *p = NULL;
551	>	static char buffer[CMEMBER_STATUS_FLAGS_LEN + 1];  /* +1 for \0 */
552	>	char *p = buffer;
553
554	<	if (ms == NULL)
577	<	return "";
578	<	p = buffer;
579	<
580	<	if (ms->flags & CHFL_CHANOP)
554	>	if (member->flags & CHFL_CHANOP)
555		{
556		if (!combine)
557		return "@";
558		*p++ = '@';
559		}
560
561	<	#ifdef HALFOPS
588	<	if (ms->flags & CHFL_HALFOP)
561	>	if (member->flags & CHFL_HALFOP)
562		{
563		if (!combine)
564		return "%";
565		*p++ = '%';
566		}
594	–	#endif
567
568	<	if (ms->flags & CHFL_VOICE)
568	>	if (member->flags & CHFL_VOICE)
569		*p++ = '+';
570		*p = '\0';
571
#	Line 601 | Line 573 | get_member_status(const struct Membershi
573		}
574
575		/*!
576	<	* \param who  pointer to Client to check
577	<	* \param list pointer to ban list to search
576	>	* \param client_p Pointer to Client to check
577	>	* \param list     Pointer to ban list to search
578		* \return 1 if ban found for given n!u\@h mask, 0 otherwise
607	–	*
579		*/
580		static int
581	<	find_bmask(const struct Client *who, const dlink_list *const list)
581	>	find_bmask(const struct Client *client_p, const dlink_list *list)
582		{
583	<	const dlink_node *ptr = NULL;
583	>	const dlink_node *node = NULL;
584
585	<	DLINK_FOREACH(ptr, list->head)
585	>	DLINK_FOREACH(node, list->head)
586		{
587	<	const struct Ban *bp = ptr->data;
587	>	const struct Ban *ban = node->data;
588
589	<	if (match(bp->name, who->name) &&
590	<	match(bp->username, who->username) &&
591	<	(match(bp->host, who->host) ||
592	<	match(bp->host, who->sockhost) ||
593	<	match_cidr(bp->host, who->sockhost)))
594	<	return 1;
589	>	if (!match(ban->name, client_p->name) && !match(ban->user, client_p->username))
590	>	{
591	>	switch (ban->type)
592	>	{
593	>	case HM_HOST:
594	>	if (!match(ban->host, client_p->host) || !match(ban->host, client_p->sockhost))
595	>	return 1;
596	>	break;
597	>	case HM_IPV4:
598	>	if (client_p->connection->aftype == AF_INET)
599	>	if (match_ipv4(&client_p->connection->ip, &ban->addr, ban->bits))
600	>	return 1;
601	>	break;
602	>	case HM_IPV6:
603	>	if (client_p->connection->aftype == AF_INET6)
604	>	if (match_ipv6(&client_p->connection->ip, &ban->addr, ban->bits))
605	>	return 1;
606	>	break;
607	>	default:
608	>	assert(0);
609	>	}
610	>	}
611		}
612
613		return 0;
614		}
615
616		/*!
617	<	* \param chptr pointer to channel block
618	<	* \param who   pointer to client to check access fo
617	>	* \param chptr    Pointer to channel block
618	>	* \param client_p Pointer to client to check access fo
619		* \return 0 if not banned, 1 otherwise
620		*/
621		int
622	<	is_banned(struct Channel *chptr, struct Client *who)
622	>	is_banned(const struct Channel *chptr, const struct Client *client_p)
623		{
624	<	assert(IsClient(who));
624	>	if (find_bmask(client_p, &chptr->banlist))
625	>	if (!find_bmask(client_p, &chptr->exceptlist))
626	>	return 1;
627
628	<	return find_bmask(who, &chptr->banlist) && (!ConfigChannel.use_except ||
640	<	!find_bmask(who, &chptr->exceptlist));
628	>	return 0;
629		}
630
631	<	/*!
632	<	* \param source_p pointer to client attempting to join
633	<	* \param chptr    pointer to channel
634	<	* \param key      key sent by client attempting to join if present
631	>	/*! Tests if a client can join a certain channel
632	>	* \param client_p Pointer to client attempting to join
633	>	* \param chptr    Pointer to channel
634	>	* \param key      Key sent by client attempting to join if present
635		* \return ERR_BANNEDFROMCHAN, ERR_INVITEONLYCHAN, ERR_CHANNELISFULL
636		*         or 0 if allowed to join.
637		*/
638	<	int
639	<	can_join(struct Client *source_p, struct Channel *chptr, const char *key)
638	>	static int
639	>	can_join(struct Client *client_p, const struct Channel *chptr, const char *key)
640		{
641	<	if (find_bmask(source_p, &chptr->banlist))
642	<	if (!ConfigChannel.use_except || !find_bmask(source_p, &chptr->exceptlist))
643	<	return ERR_BANNEDFROMCHAN;
641	>	if ((chptr->mode.mode & MODE_SSLONLY) && !HasUMode(client_p, UMODE_SSL))
642	>	return ERR_SSLONLYCHAN;
643	>
644	>	if ((chptr->mode.mode & MODE_REGONLY) && !HasUMode(client_p, UMODE_REGISTERED))
645	>	return ERR_NEEDREGGEDNICK;
646	>
647	>	if ((chptr->mode.mode & MODE_OPERONLY) && !HasUMode(client_p, UMODE_OPER))
648	>	return ERR_OPERONLYCHAN;
649
650		if (chptr->mode.mode & MODE_INVITEONLY)
651	<	if (!dlinkFind(&source_p->invited, chptr))
652	<	if (!ConfigChannel.use_invex || !find_bmask(source_p, &chptr->invexlist))
651	>	if (!dlinkFind(&client_p->connection->invited, chptr))
652	>	if (!find_bmask(client_p, &chptr->invexlist))
653		return ERR_INVITEONLYCHAN;
654
655	<	if (chptr->mode.key[0] && (EmptyString(key) || irccmp(chptr->mode.key, key)))
655	>	if (chptr->mode.key[0] && (!key || strcmp(chptr->mode.key, key)))
656		return ERR_BADCHANNELKEY;
657
658		if (chptr->mode.limit && dlink_list_length(&chptr->members) >=
659		chptr->mode.limit)
660		return ERR_CHANNELISFULL;
661
662	+	if (is_banned(chptr, client_p))
663	+	return ERR_BANNEDFROMCHAN;
664	+
665		return 0;
666		}
667
668		int
669	<	has_member_flags(struct Membership *ms, unsigned int flags)
669	>	has_member_flags(const struct Membership *member, const unsigned int flags)
670		{
671	<	if (ms != NULL)
676	<	return ms->flags & flags;
677	<	return 0;
671	>	return member && (member->flags & flags);
672		}
673
674		struct Membership *
675		find_channel_link(struct Client *client_p, struct Channel *chptr)
676		{
677	<	dlink_node *ptr = NULL;
677	>	dlink_node *node = NULL;
678
679		if (!IsClient(client_p))
680		return NULL;
681
682	<	DLINK_FOREACH(ptr, client_p->channel.head)
683	<	if (((struct Membership *)ptr->data)->chptr == chptr)
684	<	return (struct Membership *)ptr->data;
682	>	if (dlink_list_length(&chptr->members) < dlink_list_length(&client_p->channel))
683	>	{
684	>	DLINK_FOREACH(node, chptr->members.head)
685	>	if (((struct Membership *)node->data)->client_p == client_p)
686	>	return node->data;
687	>	}
688	>	else
689	>	{
690	>	DLINK_FOREACH(node, client_p->channel.head)
691	>	if (((struct Membership *)node->data)->chptr == chptr)
692	>	return node->data;
693	>	}
694
695		return NULL;
696		}
697
698	<	/*!
699	<	* \param chptr    pointer to Channel struct
700	<	* \param source_p pointer to Client struct
698	<	* \return CAN_SEND_OPV if op or voiced on channel\n
699	<	*         CAN_SEND_NONOP if can send to channel but is not an op\n
700	<	*         CAN_SEND_NO if they cannot send to channel\n
698	>	/*! Checks if a message contains control codes
699	>	* \param message The actual message string the client wants to send
700	>	* \return 1 if the message does contain any control codes, 0 otherwise
701		*/
702	<	int
703	<	can_send(struct Channel *chptr, struct Client *source_p)
702	>	static int
703	>	msg_has_ctrls(const char *message)
704		{
705	<	struct Membership *ms = NULL;
706	<
707	<	if (IsServer(source_p))
708	<	return CAN_SEND_OPV;
705	>	const unsigned char *p = (const unsigned char *)message;
706
707	<	if (MyClient(source_p) && !IsExemptResv(source_p) &&
711	<	!(IsOper(source_p) && ConfigFileEntry.oper_pass_resv) &&
712	<	(!hash_find_resv(chptr->chname) == ConfigChannel.restrict_channels))
713	<	return CAN_SEND_NO;
714	<
715	<	if ((ms = find_channel_link(source_p, chptr)) == NULL)
716	<	{
717	<	if (chptr->mode.mode & MODE_NOPRIVMSGS)
718	<	return CAN_SEND_NO;
719	<	}
720	<	else
707	>	for (; *p; ++p)
708		{
709	<	if (ms->flags & (CHFL_CHANOP|CHFL_HALFOP|CHFL_VOICE))
710	<	return CAN_SEND_OPV;
709	>	if (*p > 31 || *p == 1)
710	>	continue;  /* No control code or CTCP */
711
712	<	/* cache can send if quiet_on_ban and banned */
726	<	if (ConfigChannel.quiet_on_ban && MyClient(source_p))
712	>	if (*p == 27)  /* Escape */
713		{
714	<	if (ms->flags & CHFL_BAN_SILENCED)
715	<	return CAN_SEND_NO;
716	<
731	<	if (!(ms->flags & CHFL_BAN_CHECKED))
714	>	/* ISO 2022 charset shift sequence */
715	>	if (*(p + 1) == '$' ||
716	>	*(p + 1) == '(')
717		{
718	<	if (is_banned(chptr, source_p))
719	<	{
735	<	ms->flags |= (CHFL_BAN_CHECKED|CHFL_BAN_SILENCED);
736	<	return CAN_SEND_NO;
737	<	}
738	<
739	<	ms->flags |= CHFL_BAN_CHECKED;
718	>	++p;
719	>	continue;
720		}
721		}
742	–	}
722
723	<	if (chptr->mode.mode & MODE_MODERATED)
724	<	return CAN_SEND_NO;
723	>	return 1;  /* Control code */
724	>	}
725
726	<	return CAN_SEND_NONOP;
726	>	return 0;  /* No control code found */
727		}
728
729	<	/*! \brief Checks to see if given client can send a part message
730	<	* \param member     pointer to channel membership
731	<	* \param chptr      pointer to channel struct
732	<	* \param source_p   pointer to struct Client to check
729	>	/*! Tests if a client can send to a channel
730	>	* \param chptr    Pointer to Channel struct
731	>	* \param client_p Pointer to Client struct
732	>	* \param member   Pointer to Membership struct (can be NULL)
733	>	* \param message  The actual message string the client wants to send
734	>	* \return CAN_SEND_OPV if op or voiced on channel\n
735	>	*         CAN_SEND_NONOP if can send to channel but is not an op\n
736	>	*         ERR_CANNOTSENDTOCHAN or ERR_NEEDREGGEDNICK if they cannot send to channel\n
737		*/
738		int
739	<	can_send_part(struct Membership *member, struct Channel *chptr,
740	<	struct Client *source_p)
739	>	can_send(struct Channel *chptr, struct Client *client_p,
740	>	struct Membership *member, const char *message, int notice)
741		{
742	<	if (has_member_flags(member, CHFL_CHANOP|CHFL_HALFOP))
742	>	const struct ResvItem *resv = NULL;
743	>
744	>	if (IsServer(client_p) || HasFlag(client_p, FLAGS_SERVICE))
745		return CAN_SEND_OPV;
746
747	+	if (MyConnect(client_p) && !HasFlag(client_p, FLAGS_EXEMPTRESV))
748	+	if (!(HasUMode(client_p, UMODE_OPER) && HasOFlag(client_p, OPER_FLAG_JOIN_RESV)))
749	+	if ((resv = resv_find(chptr->name, match)) && !resv_exempt_find(client_p, resv))
750	+	return ERR_CANNOTSENDTOCHAN;
751	+
752	+	if ((chptr->mode.mode & MODE_NOCTRL) && msg_has_ctrls(message))
753	+	return ERR_NOCTRLSONCHAN;
754	+
755	+	if (chptr->mode.mode & MODE_NOCTCP)
756	+	if (*message == '\001' && strncmp(message + 1, "ACTION ", 7))
757	+	return ERR_NOCTCP;
758	+
759	+	if (member || (member = find_channel_link(client_p, chptr)))
760	+	if (member->flags & (CHFL_CHANOP | CHFL_HALFOP | CHFL_VOICE))
761	+	return CAN_SEND_OPV;
762	+
763	+	if (!member && (chptr->mode.mode & MODE_NOPRIVMSGS))
764	+	return ERR_CANNOTSENDTOCHAN;
765	+
766		if (chptr->mode.mode & MODE_MODERATED)
767	<	return CAN_SEND_NO;
767	>	return ERR_CANNOTSENDTOCHAN;
768	>
769	>	if ((chptr->mode.mode & MODE_MODREG) && !HasUMode(client_p, UMODE_REGISTERED))
770	>	return ERR_NEEDREGGEDNICK;
771
772	<	if (ConfigChannel.quiet_on_ban && MyClient(source_p) &&
773	<	is_banned(chptr, source_p))
774	<	return CAN_SEND_NO;
772	>	if ((chptr->mode.mode & MODE_NONOTICE) && notice)
773	>	return ERR_CANNOTSENDTOCHAN;
774	>
775	>	/* Cache can send if banned */
776	>	if (MyConnect(client_p))
777	>	{
778	>	if (member)
779	>	{
780	>	if (member->flags & CHFL_BAN_SILENCED)
781	>	return ERR_CANNOTSENDTOCHAN;
782	>
783	>	if (!(member->flags & CHFL_BAN_CHECKED))
784	>	{
785	>	if (is_banned(chptr, client_p))
786	>	{
787	>	member->flags |= (CHFL_BAN_CHECKED | CHFL_BAN_SILENCED);
788	>	return ERR_CANNOTSENDTOCHAN;
789	>	}
790	>
791	>	member->flags |= CHFL_BAN_CHECKED;
792	>	}
793	>	}
794	>	else if (is_banned(chptr, client_p))
795	>	return ERR_CANNOTSENDTOCHAN;
796	>	}
797
798		return CAN_SEND_NONOP;
799		}
#	Line 772 | Line 801 | can_send_part(struct Membership *member,
801		/*! \brief Updates the client's oper_warn_count_down, warns the
802		*         IRC operators if necessary, and updates
803		*         join_leave_countdown as needed.
804	<	* \param source_p pointer to struct Client to check
805	<	* \param name     channel name or NULL if this is a part.
804	>	* \param client_p Pointer to struct Client to check
805	>	* \param name     Channel name or NULL if this is a part.
806		*/
807		void
808	<	check_spambot_warning(struct Client *source_p, const char *name)
808	>	check_spambot_warning(struct Client *client_p, const char *name)
809		{
810		int t_delta = 0;
811		int decrement_count = 0;
812
813		if ((GlobalSetOptions.spam_num &&
814	<	(source_p->localClient->join_leave_count >=
814	>	(client_p->connection->join_leave_count >=
815		GlobalSetOptions.spam_num)))
816		{
817	<	if (source_p->localClient->oper_warn_count_down > 0)
818	<	source_p->localClient->oper_warn_count_down--;
817	>	if (client_p->connection->oper_warn_count_down > 0)
818	>	client_p->connection->oper_warn_count_down--;
819		else
820	<	source_p->localClient->oper_warn_count_down = 0;
820	>	client_p->connection->oper_warn_count_down = 0;
821
822	<	if (source_p->localClient->oper_warn_count_down == 0)
822	>	if (client_p->connection->oper_warn_count_down == 0)
823		{
824	<	/* Its already known as a possible spambot */
825	<	if (name != NULL)
826	<	sendto_realops_flags(UMODE_BOTS, L_ALL,
824	>	/* It's already known as a possible spambot */
825	>	if (name)
826	>	sendto_realops_flags(UMODE_BOTS, L_ALL, SEND_NOTICE,
827		"User %s (%s@%s) trying to join %s is a possible spambot",
828	<	source_p->name, source_p->username,
829	<	source_p->host, name);
828	>	client_p->name, client_p->username,
829	>	client_p->host, name);
830		else
831	<	sendto_realops_flags(UMODE_BOTS, L_ALL,
831	>	sendto_realops_flags(UMODE_BOTS, L_ALL, SEND_NOTICE,
832		"User %s (%s@%s) is a possible spambot",
833	<	source_p->name, source_p->username,
834	<	source_p->host);
835	<	source_p->localClient->oper_warn_count_down = OPER_SPAM_COUNTDOWN;
833	>	client_p->name, client_p->username,
834	>	client_p->host);
835	>	client_p->connection->oper_warn_count_down = OPER_SPAM_COUNTDOWN;
836		}
837		}
838		else
839		{
840	<	if ((t_delta = (CurrentTime - source_p->localClient->last_leave_time)) >
840	>	if ((t_delta = (CurrentTime - client_p->connection->last_leave_time)) >
841		JOIN_LEAVE_COUNT_EXPIRE_TIME)
842		{
843		decrement_count = (t_delta / JOIN_LEAVE_COUNT_EXPIRE_TIME);
844	<	if (decrement_count > source_p->localClient->join_leave_count)
845	<	source_p->localClient->join_leave_count = 0;
844	>
845	>	if (decrement_count > client_p->connection->join_leave_count)
846	>	client_p->connection->join_leave_count = 0;
847		else
848	<	source_p->localClient->join_leave_count -= decrement_count;
848	>	client_p->connection->join_leave_count -= decrement_count;
849		}
850		else
851		{
852	<	if ((CurrentTime - (source_p->localClient->last_join_time)) <
852	>	if ((CurrentTime - (client_p->connection->last_join_time)) <
853		GlobalSetOptions.spam_time)
854	<	{
825	<	/* oh, its a possible spambot */
826	<	source_p->localClient->join_leave_count++;
827	<	}
854	>	client_p->connection->join_leave_count++;  /* It's a possible spambot */
855		}
856
857	<	if (name != NULL)
858	<	source_p->localClient->last_join_time = CurrentTime;
857	>	if (name)
858	>	client_p->connection->last_join_time = CurrentTime;
859		else
860	<	source_p->localClient->last_leave_time = CurrentTime;
860	>	client_p->connection->last_leave_time = CurrentTime;
861		}
862		}
863
864	<	/*! \brief compares usercount and servercount against their split
865	<	*         values and adjusts splitmode accordingly
866	<	* \param unused Unused address pointer
864	>	/*! \brief Sets the channel topic for a certain channel
865	>	* \param chptr      Pointer to struct Channel
866	>	* \param topic      The topic string
867	>	* \param topic_info n!u\@h formatted string of the topic setter
868	>	* \param topicts    Timestamp on the topic
869	>	* \param local      Whether the topic is set by a local client
870	>	*/
871	>	void
872	>	channel_set_topic(struct Channel *chptr, const char *topic,
873	>	const char *topic_info, uintmax_t topicts, int local)
874	>	{
875	>	if (local)
876	>	strlcpy(chptr->topic, topic, IRCD_MIN(sizeof(chptr->topic), ConfigServerInfo.max_topic_length + 1));
877	>	else
878	>	strlcpy(chptr->topic, topic, sizeof(chptr->topic));
879	>
880	>	strlcpy(chptr->topic_info, topic_info, sizeof(chptr->topic_info));
881	>	chptr->topic_time = topicts;
882	>	}
883	>
884	>	/* do_join_0()
885	>	*
886	>	* inputs       - pointer to client doing join 0
887	>	* output       - NONE
888	>	* side effects - Use has decided to join 0. This is legacy
889	>	*                from the days when channels were numbers not names. *sigh*
890	>	*                There is a bunch of evilness necessary here due to
891	>	*                anti spambot code.
892		*/
893		void
894	<	check_splitmode(void *unused)
894	>	channel_do_join_0(struct Client *client_p)
895		{
896	<	if (splitchecking && (ConfigChannel.no_join_on_split ||
897	<	ConfigChannel.no_create_on_split))
896	>	if (client_p->channel.head)
897	>	if (MyConnect(client_p) && !HasUMode(client_p, UMODE_OPER))
898	>	check_spambot_warning(client_p, NULL);
899	>
900	>	while (client_p->channel.head)
901		{
902	<	const unsigned int server = dlink_list_length(&global_serv_list);
902	>	struct Membership *member = client_p->channel.head->data;
903	>
904	>	sendto_server(client_p, 0, 0, ":%s PART %s",
905	>	client_p->id, member->chptr->name);
906	>	sendto_channel_local(NULL, member->chptr, 0, 0, 0, ":%s!%s@%s PART %s",
907	>	client_p->name, client_p->username,
908	>	client_p->host, member->chptr->name);
909	>
910	>	remove_user_from_channel(member);
911	>	}
912	>	}
913
914	<	if (!splitmode && ((server < split_servers) || (Count.total < split_users)))
914	>	static char *
915	>	channel_find_last0(struct Client *client_p, char *chanlist)
916	>	{
917	>	int join0 = 0;
918	>
919	>	for (char *p = chanlist; *p; ++p)  /* Find last "JOIN 0" */
920	>	{
921	>	if (*p == '0' && (*(p + 1) == ',' || *(p + 1) == '\0'))
922		{
923	<	splitmode = 1;
923	>	if (*(p + 1) == ',')
924	>	++p;
925
926	<	sendto_realops_flags(UMODE_ALL,L_ALL,
927	<	"Network split, activating splitmode");
855	<	eventAddIsh("check_splitmode", check_splitmode, NULL, 10);
926	>	chanlist = p + 1;
927	>	join0 = 1;
928		}
929	<	else if (splitmode && (server > split_servers) && (Count.total > split_users))
929	>	else
930		{
931	<	splitmode = 0;
931	>	while (*p != ',' && *p != '\0')  /* Skip past channel name */
932	>	++p;
933
934	<	sendto_realops_flags(UMODE_ALL, L_ALL,
935	<	"Network rejoined, deactivating splitmode");
863	<	eventDelete(check_splitmode, NULL);
934	>	if (*p == '\0')  /* Hit the end */
935	>	break;
936		}
937		}
938	+
939	+	if (join0)
940	+	channel_do_join_0(client_p);
941	+
942	+	return chanlist;
943		}
944
945	<	/*! \brief Allocates a new topic
946	<	* \param chptr Channel to allocate a new topic for
870	<	*/
871	<	static void
872	<	allocate_topic(struct Channel *chptr)
945	>	void
946	>	channel_do_join(struct Client *client_p, char *channel, char *key_list)
947		{
948	<	void *ptr = NULL;
948	>	char *p = NULL;
949	>	char *chan_list = NULL;
950	>	struct Channel *chptr = NULL;
951	>	const struct ResvItem *resv = NULL;
952	>	const struct ClassItem *const class = get_class_ptr(&client_p->connection->confs);
953	>	int i = 0;
954	>	unsigned int flags = 0;
955
956	<	if (chptr == NULL)
877	<	return;
956	>	assert(IsClient(client_p));
957
958	<	ptr = BlockHeapAlloc(topic_heap);
958	>	chan_list = channel_find_last0(client_p, channel);
959
960	<	/* Basically we allocate one large block for the topic and
961	<	* the topic info.  We then split it up into two and shove it
962	<	* in the chptr
963	<	*/
885	<	chptr->topic       = ptr;
886	<	chptr->topic_info  = (char *)ptr + TOPICLEN+1;
887	<	*chptr->topic      = '\0';
888	<	*chptr->topic_info = '\0';
889	<	}
960	>	for (const char *chan = strtok_r(chan_list, ",", &p); chan;
961	>	chan = strtok_r(NULL,      ",", &p))
962	>	{
963	>	const char *key = NULL;
964
965	<	void
966	<	free_topic(struct Channel *chptr)
967	<	{
894	<	void *ptr = NULL;
895	<	assert(chptr);
896	<	if (chptr->topic == NULL)
897	<	return;
965	>	/* If we have any more keys, take the first for this channel. */
966	>	if (!EmptyString(key_list) && (key_list = strchr(key = key_list, ',')))
967	>	*key_list++ = '\0';
968
969	<	/*
970	<	* If you change allocate_topic you MUST change this as well
971	<	*/
972	<	ptr = chptr->topic;
973	<	BlockHeapFree(topic_heap, ptr);
974	<	chptr->topic      = NULL;
975	<	chptr->topic_info = NULL;
969	>	/* Empty keys are the same as no keys. */
970	>	if (key && *key == '\0')
971	>	key = NULL;
972	>
973	>	if (!channel_check_name(chan, 1))
974	>	{
975	>	sendto_one_numeric(client_p, &me, ERR_BADCHANNAME, chan);
976	>	continue;
977	>	}
978	>
979	>	if (!HasFlag(client_p, FLAGS_EXEMPTRESV) &&
980	>	!(HasUMode(client_p, UMODE_OPER) && HasOFlag(client_p, OPER_FLAG_JOIN_RESV)) &&
981	>	((resv = resv_find(chan, match)) && !resv_exempt_find(client_p, resv)))
982	>	{
983	>	sendto_one_numeric(client_p, &me, ERR_CHANBANREASON, chan, resv->reason);
984	>	sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
985	>	"Forbidding reserved channel %s from user %s",
986	>	chan, get_client_name(client_p, HIDE_IP));
987	>	continue;
988	>	}
989	>
990	>	if (dlink_list_length(&client_p->channel) >=
991	>	((class->max_channels) ? class->max_channels : ConfigChannel.max_channels))
992	>	{
993	>	sendto_one_numeric(client_p, &me, ERR_TOOMANYCHANNELS, chan);
994	>	break;
995	>	}
996	>
997	>	if ((chptr = hash_find_channel(chan)))
998	>	{
999	>	if (IsMember(client_p, chptr))
1000	>	continue;
1001	>
1002	>	/*
1003	>	* can_join checks for +i key, bans.
1004	>	*/
1005	>	if ((i = can_join(client_p, chptr, key)))
1006	>	{
1007	>	sendto_one_numeric(client_p, &me, i, chptr->name);
1008	>	continue;
1009	>	}
1010	>
1011	>	/*
1012	>	* This should never be the case unless there is some sort of
1013	>	* persistant channels.
1014	>	*/
1015	>	if (!dlink_list_length(&chptr->members))
1016	>	flags = CHFL_CHANOP;
1017	>	else
1018	>	flags = 0;
1019	>	}
1020	>	else
1021	>	{
1022	>	flags = CHFL_CHANOP;
1023	>	chptr = channel_make(chan);
1024	>	}
1025	>
1026	>	if (!HasUMode(client_p, UMODE_OPER))
1027	>	check_spambot_warning(client_p, chptr->name);
1028	>
1029	>	add_user_to_channel(chptr, client_p, flags, 1);
1030	>
1031	>	/*
1032	>	* Set timestamp if appropriate, and propagate
1033	>	*/
1034	>	if (flags == CHFL_CHANOP)
1035	>	{
1036	>	chptr->creationtime = CurrentTime;
1037	>	chptr->mode.mode |= MODE_TOPICLIMIT;
1038	>	chptr->mode.mode |= MODE_NOPRIVMSGS;
1039	>
1040	>	sendto_server(client_p, 0, 0, ":%s SJOIN %ju %s +nt :@%s",
1041	>	me.id, chptr->creationtime,
1042	>	chptr->name, client_p->id);
1043	>
1044	>	/*
1045	>	* Notify all other users on the new channel
1046	>	*/
1047	>	sendto_channel_local(NULL, chptr, 0, CAP_EXTENDED_JOIN, 0, ":%s!%s@%s JOIN %s %s :%s",
1048	>	client_p->name, client_p->username,
1049	>	client_p->host, chptr->name, client_p->account, client_p->info);
1050	>	sendto_channel_local(NULL, chptr, 0, 0, CAP_EXTENDED_JOIN, ":%s!%s@%s JOIN :%s",
1051	>	client_p->name, client_p->username,
1052	>	client_p->host, chptr->name);
1053	>	sendto_channel_local(NULL, chptr, 0, 0, 0, ":%s MODE %s +nt",
1054	>	me.name, chptr->name);
1055	>
1056	>	if (client_p->away[0])
1057	>	sendto_channel_local(client_p, chptr, 0, CAP_AWAY_NOTIFY, 0,
1058	>	":%s!%s@%s AWAY :%s",
1059	>	client_p->name, client_p->username,
1060	>	client_p->host, client_p->away);
1061	>	}
1062	>	else
1063	>	{
1064	>	sendto_server(client_p, 0, 0, ":%s JOIN %ju %s +",
1065	>	client_p->id, chptr->creationtime,
1066	>	chptr->name);
1067	>
1068	>	sendto_channel_local(NULL, chptr, 0, CAP_EXTENDED_JOIN, 0, ":%s!%s@%s JOIN %s %s :%s",
1069	>	client_p->name, client_p->username,
1070	>	client_p->host, chptr->name, client_p->account, client_p->info);
1071	>	sendto_channel_local(NULL, chptr, 0, 0, CAP_EXTENDED_JOIN, ":%s!%s@%s JOIN :%s",
1072	>	client_p->name, client_p->username,
1073	>	client_p->host, chptr->name);
1074	>
1075	>	if (client_p->away[0])
1076	>	sendto_channel_local(client_p, chptr, 0, CAP_AWAY_NOTIFY, 0,
1077	>	":%s!%s@%s AWAY :%s",
1078	>	client_p->name, client_p->username,
1079	>	client_p->host, client_p->away);
1080	>	}
1081	>
1082	>	del_invite(chptr, client_p);
1083	>
1084	>	if (chptr->topic[0])
1085	>	{
1086	>	sendto_one_numeric(client_p, &me, RPL_TOPIC, chptr->name, chptr->topic);
1087	>	sendto_one_numeric(client_p, &me, RPL_TOPICWHOTIME, chptr->name,
1088	>	chptr->topic_info, chptr->topic_time);
1089	>	}
1090	>
1091	>	channel_member_names(client_p, chptr, 1);
1092	>
1093	>	client_p->connection->last_join_time = CurrentTime;
1094	>	}
1095		}
1096
1097	<	/*! \brief Sets the channel topic for chptr
1098	<	* \param chptr      Pointer to struct Channel
1099	<	* \param topic      The topic string
1100	<	* \param topic_info n!u\@h formatted string of the topic setter
912	<	* \param topicts    timestamp on the topic
1097	>	/*! \brief Removes a client from a specific channel
1098	>	* \param client_p Pointer to source client to remove
1099	>	* \param name     Name of channel to remove from
1100	>	* \param reason   Part reason to show
1101		*/
1102	<	void
1103	<	set_channel_topic(struct Channel *chptr, const char *topic,
916	<	const char *topic_info, time_t topicts)
1102	>	static void
1103	>	channel_part_one_client(struct Client *client_p, const char *name, const char *reason)
1104		{
1105	<	if (!EmptyString(topic))
1105	>	struct Channel *chptr = NULL;
1106	>	struct Membership *member = NULL;
1107	>
1108	>	if ((chptr = hash_find_channel(name)) == NULL)
1109	>	{
1110	>	sendto_one_numeric(client_p, &me, ERR_NOSUCHCHANNEL, name);
1111	>	return;
1112	>	}
1113	>
1114	>	if ((member = find_channel_link(client_p, chptr)) == NULL)
1115		{
1116	<	if (chptr->topic == NULL)
1117	<	allocate_topic(chptr);
1116	>	sendto_one_numeric(client_p, &me, ERR_NOTONCHANNEL, chptr->name);
1117	>	return;
1118	>	}
1119	>
1120	>	if (MyConnect(client_p) && !HasUMode(client_p, UMODE_OPER))
1121	>	check_spambot_warning(client_p, NULL);
1122
1123	<	strlcpy(chptr->topic, topic, TOPICLEN+1);
1124	<	strlcpy(chptr->topic_info, topic_info, USERHOST_REPLYLEN);
1125	<	chptr->topic_time = topicts;
1123	>	/*
1124	>	* Remove user from the old channel (if any)
1125	>	* only allow /part reasons in -m chans
1126	>	*/
1127	>	if (*reason && (!MyConnect(client_p) ||
1128	>	((client_p->connection->firsttime +
1129	>	ConfigGeneral.anti_spam_exit_message_time) < CurrentTime &&
1130	>	can_send(chptr, client_p, member, reason, 0) < 0)))
1131	>	{
1132	>	sendto_server(client_p, 0, 0, ":%s PART %s :%s",
1133	>	client_p->id, chptr->name, reason);
1134	>	sendto_channel_local(NULL, chptr, 0, 0, 0, ":%s!%s@%s PART %s :%s",
1135	>	client_p->name, client_p->username,
1136	>	client_p->host, chptr->name, reason);
1137		}
1138		else
1139		{
1140	<	if (chptr->topic != NULL)
1141	<	free_topic(chptr);
1142	<
1143	<	chptr->topic_time = 0;
1140	>	sendto_server(client_p, 0, 0, ":%s PART %s",
1141	>	client_p->id, chptr->name);
1142	>	sendto_channel_local(NULL, chptr, 0, 0, 0, ":%s!%s@%s PART %s",
1143	>	client_p->name, client_p->username,
1144	>	client_p->host, chptr->name);
1145		}
1146	+
1147	+	remove_user_from_channel(member);
1148		}
1149
1150	+	void
1151	+	channel_do_part(struct Client *client_p, char *channel, const char *reason)
1152	+	{
1153	+	char *p = NULL, *name = NULL;
1154	+	char buf[KICKLEN + 1] = "";
1155	+
1156	+	assert(IsClient(client_p));
1157	+
1158	+	if (!EmptyString(reason))
1159	+	strlcpy(buf, reason, sizeof(buf));
1160	+
1161	+	for (name = strtok_r(channel, ",", &p); name;
1162	+	name = strtok_r(NULL,    ",", &p))
1163	+	channel_part_one_client(client_p, name, buf);
1164	+	}

Comparing:
ircd-hybrid/src/channel.c (property svn:keywords), Revision 32 by knight, Sun Oct 2 20:41:23 2005 UTC vs.
ircd-hybrid/trunk/src/channel.c (property svn:keywords), Revision 7544 by michael, Thu Apr 21 11:16:14 2016 UTC

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