ViewVC Help

View File | Revision Log | Show Annotations | View Changeset | Root Listing

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 8588 by michael, Sun Oct 21 10:51:52 2018 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) 1997-2018 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 "misc.h"
44
47	–	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 */
45
46	<	static BlockHeap *topic_heap = NULL;
47	<	static BlockHeap *member_heap = NULL;
54	<	static BlockHeap *channel_heap = NULL;
46	>	/** Doubly linked list containing a list of all channels. */
47	>	static dlink_list channel_list;
48
56	–	static char buf[IRCD_BUFSIZE];
57	–	static char modebuf[MODEBUFLEN];
58	–	static char parabuf[MODEBUFLEN];
49
50	<
51	<	/*! \brief Initializes the channel blockheap, adds known channel CAPAB
50	>	/*! \brief Returns the channel_list as constant
51	>	* \return channel_list
52		*/
53	<	void
54	<	init_channels(void)
53	>	const dlink_list *
54	>	channel_get_list(void)
55		{
56	<	/*
67	<	* 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);
73	<
74	<	channel_heap = BlockHeapCreate("channel", sizeof(struct Channel), CHANNEL_HEAP_SIZE);
75	<	ban_heap = BlockHeapCreate("ban", sizeof(struct Ban), BAN_HEAP_SIZE);
76	<	topic_heap = BlockHeapCreate("topic", TOPICLEN+1 + USERHOST_REPLYLEN, TOPIC_HEAP_SIZE);
77	<	member_heap = BlockHeapCreate("member", sizeof(struct Membership), CHANNEL_HEAP_SIZE*2);
56	>	return &channel_list;
57		}
58
59	<	/*! \brief adds a user to a channel by adding another link to the
59	>	/*! \brief Adds a user to a channel by adding another link to the
60		*         channels member chain.
61	<	* \param chptr      pointer to channel to add client to
62	<	* \param who        pointer to client (who) to add
63	<	* \param flags      flags for chanops etc
64	<	* \param flood_ctrl whether to count this join in flood calculations
61	>	* \param chptr      Pointer to channel to add client to
62	>	* \param client_p   Pointer to client (who) to add
63	>	* \param flags      Flags for chanops etc
64	>	* \param flood_ctrl Whether to count this join in flood calculations
65		*/
66		void
67	<	add_user_to_channel(struct Channel *chptr, struct Client *who,
67	>	add_user_to_channel(struct Channel *chptr, struct Client *client_p,
68		unsigned int flags, int flood_ctrl)
69		{
70	<	struct Membership *ms = NULL;
70	>	assert(IsClient(client_p));
71
72	<	if (GlobalSetOptions.joinfloodtime > 0)
72	>	if (GlobalSetOptions.joinfloodtime)
73		{
74		if (flood_ctrl)
75	<	chptr->number_joined++;
75	>	++chptr->number_joined;
76
77		chptr->number_joined -= (CurrentTime - chptr->last_join_time) *
78		(((float)GlobalSetOptions.joinfloodcount) /
#	Line 111 | Line 90 | add_user_to_channel(struct Channel *chpt
90		if (!IsSetJoinFloodNoticed(chptr))
91		{
92		SetJoinFloodNoticed(chptr);
93	<	sendto_realops_flags(UMODE_BOTS, L_ALL,
93	>	sendto_realops_flags(UMODE_BOTS, L_ALL, SEND_NOTICE,
94		"Possible Join Flooder %s on %s target: %s",
95	<	get_client_name(who, HIDE_IP),
96	<	who->servptr->name, chptr->chname);
95	>	client_get_name(client_p, HIDE_IP),
96	>	client_p->servptr->name, chptr->name);
97		}
98		}
99
100		chptr->last_join_time = CurrentTime;
101		}
102
103	<	ms = BlockHeapAlloc(member_heap);
104	<	ms->client_p = who;
105	<	ms->chptr = chptr;
106	<	ms->flags = flags;
103	>	struct Membership *member = xcalloc(sizeof(*member));
104	>	member->client_p = client_p;
105	>	member->chptr = chptr;
106	>	member->flags = flags;
107
108	<	dlinkAdd(ms, &ms->channode, &chptr->members);
108	>	dlinkAdd(member, &member->channode, &chptr->members);
109
110	<	if (MyConnect(who))
111	<	dlinkAdd(ms, &ms->locchannode, &chptr->locmembers);
110	>	if (MyConnect(client_p))
111	>	dlinkAdd(member, &member->locchannode, &chptr->locmembers);
112
113	<	dlinkAdd(ms, &ms->usernode, &who->channel);
113	>	dlinkAdd(member, &member->usernode, &client_p->channel);
114		}
115
116	<	/*! \brief deletes an user from a channel by removing a link in the
116	>	/*! \brief Deletes an user from a channel by removing a link in the
117		*         channels member chain.
118	<	* \param member pointer to Membership struct
118	>	* \param member Pointer to Membership struct
119		*/
120		void
121		remove_user_from_channel(struct Membership *member)
122		{
123	<	struct Client *client_p = member->client_p;
124	<	struct Channel *chptr = member->chptr;
123	>	struct Client *const client_p = member->client_p;
124	>	struct Channel *const chptr = member->chptr;
125
126		dlinkDelete(&member->channode, &chptr->members);
127
#	Line 151 | Line 130 | remove_user_from_channel(struct Membersh
130
131		dlinkDelete(&member->usernode, &client_p->channel);
132
133	<	BlockHeapFree(member_heap, member);
133	>	xfree(member);
134
135	<	if (dlink_list_length(&chptr->members) == 0)
136	<	{
158	<	assert(dlink_list_length(&chptr->locmembers) == 0);
159	<	destroy_channel(chptr);
160	<	}
135	>	if (chptr->members.head == NULL)
136	>	channel_free(chptr);
137		}
138
139	<	/* send_members()
139	>	/* channel_send_members()
140		*
141		* inputs       -
142		* output       - NONE
143		* side effects -
144		*/
145		static void
146	<	send_members(struct Client *client_p, struct Channel *chptr,
147	<	char *lmodebuf, char *lparabuf)
146	>	channel_send_members(struct Client *client_p, const struct Channel *chptr,
147	>	const char *modebuf, const char *parabuf)
148		{
149	<	struct Membership *ms;
150	<	dlink_node *ptr;
149	>	dlink_node *node;
150	>	char buf[IRCD_BUFSIZE] = "";
151		int tlen;              /* length of text to append */
152		char *t, *start;       /* temp char pointer */
153
154	<	start = t = buf + ircsprintf(buf, ":%s SJOIN %lu %s %s %s:",
155	<	ID_or_name(&me, client_p),
156	<	(unsigned long)chptr->channelts,
157	<	chptr->chname, lmodebuf, lparabuf);
158	<
159	<	DLINK_FOREACH(ptr, chptr->members.head)
160	<	{
161	<	ms = ptr->data;
162	<
163	<	tlen = strlen(IsCapable(client_p, CAP_TS6) ?
164	<	ID(ms->client_p) : ms->client_p->name) + 1;  /* nick + space */
165	<
166	<	if (ms->flags & CHFL_CHANOP)
167	<	tlen++;
168	<	#ifdef HALFOPS
169	<	if (ms->flags & CHFL_HALFOP)
170	<	tlen++;
171	<	#endif
172	<	if (ms->flags & CHFL_VOICE)
173	<	tlen++;
174	<
175	<	/* 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)
154	>	start = t = buf + snprintf(buf, sizeof(buf), ":%s SJOIN %ju %s %s %s:",
155	>	me.id, chptr->creationtime,
156	>	chptr->name, modebuf, parabuf);
157	>
158	>	DLINK_FOREACH(node, chptr->members.head)
159	>	{
160	>	const struct Membership *member = node->data;
161	>
162	>	tlen = strlen(member->client_p->id) + 1;  /* +1 for space */
163	>
164	>	if (member->flags & CHFL_CHANOP)
165	>	++tlen;
166	>	if (member->flags & CHFL_HALFOP)
167	>	++tlen;
168	>	if (member->flags & CHFL_VOICE)
169	>	++tlen;
170	>
171	>	/*
172	>	* Space will be converted into CR, but we also need space for LF..
173	>	* That's why we use '- 1' here -adx
174	>	*/
175	>	if (t + tlen - buf > IRCD_BUFSIZE - 1)
176		{
177	<	*(t - 1) = '\0';  /* kill the space and terminate the string */
177	>	*(t - 1) = '\0';  /* Kill the space and terminate the string */
178		sendto_one(client_p, "%s", buf);
179		t = start;
180		}
181
182	<	strcpy(t, get_member_status(ms, YES));
183	<	t += strlen(t);
182	>	if (member->flags & CHFL_CHANOP)
183	>	*t++ = '@';
184	>	if (member->flags & CHFL_HALFOP)
185	>	*t++ = '%';
186	>	if (member->flags & CHFL_VOICE)
187	>	*t++ = '+';
188	>
189	>	strcpy(t, member->client_p->id);
190
212	–	if (IsCapable(client_p, CAP_TS6))
213	–	strcpy(t, ID(ms->client_p));
214	–	else
215	–	strcpy(t, ms->client_p->name);
191		t += strlen(t);
192		*t++ = ' ';
193		}
194
195	<	/* should always be non-NULL unless we have a kind of persistent channels */
196	<	if (chptr->members.head != NULL)
197	<	t--;  /* take the space out */
195	>	/* Should always be non-NULL unless we have a kind of persistent channels */
196	>	if (chptr->members.head)
197	>	--t;  /* Take the space out */
198		*t = '\0';
199		sendto_one(client_p, "%s", buf);
200		}
201
202	<	/*! \brief sends +b/+e/+I
203	<	* \param client_p client pointer to server
204	<	* \param chptr    pointer to channel
205	<	* \param top      pointer to top of mode link list to send
206	<	* \param flag     char flag flagging type of mode. Currently this can be 'b', e' or 'I'
202	>	/*! \brief Sends +b/+e/+I
203	>	* \param client_p Client pointer to server
204	>	* \param chptr    Pointer to channel
205	>	* \param list     Pointer to list of modes to send
206	>	* \param flag     Char flag flagging type of mode. Currently this can be 'b', e' or 'I'
207		*/
208		static void
209	<	send_mode_list(struct Client *client_p, struct Channel *chptr,
210	<	dlink_list *top, char flag)
209	>	channel_send_mask_list(struct Client *client_p, const struct Channel *chptr,
210	>	const dlink_list *list, const char flag)
211		{
212	<	int ts5 = !IsCapable(client_p, CAP_TS6);
213	<	dlink_node *lp;
214	<	struct Ban *banptr;
215	<	char pbuf[IRCD_BUFSIZE];
216	<	int tlen, mlen, cur_len, count = 0;
242	<	char *mp = NULL, *pp = pbuf;
212	>	dlink_node *node;
213	>	char mbuf[IRCD_BUFSIZE] = "";
214	>	char pbuf[IRCD_BUFSIZE] = "";
215	>	int tlen, mlen, cur_len;
216	>	char *pp = pbuf;
217
218	<	if (top == NULL || top->length == 0)
218	>	if (dlink_list_length(list) == 0)
219		return;
220
221	<	if (ts5)
222	<	mlen = ircsprintf(buf, ":%s MODE %s +", me.name, chptr->chname);
223	<	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;
221	>	mlen = snprintf(mbuf, sizeof(mbuf), ":%s BMASK %ju %s %c :", me.id,
222	>	chptr->creationtime, chptr->name, flag);
223	>	cur_len = mlen;
224
225	<	DLINK_FOREACH(lp, top->head)
225	>	DLINK_FOREACH(node, list->head)
226		{
227	<	banptr = lp->data;
227	>	const struct Ban *ban = node->data;
228
229	<	/* must add another b/e/I letter if we use MODE */
262	<	tlen = banptr->len + 3 + ts5;
229	>	tlen = ban->len + 3;  /* +3 for ! + @ + space */
230
231		/*
232	<	* 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.
232	>	* Send buffer and start over if we cannot fit another ban
233		*/
234	<	if (cur_len + (tlen - 1) > IRCD_BUFSIZE - 2 ||
270	<	(!IsCapable(client_p, CAP_TS6) &&
271	<	(count >= MAXMODEPARAMS || pp - pbuf >= MODEBUFLEN)))
234	>	if (cur_len + (tlen - 1) > IRCD_BUFSIZE - 2)
235		{
236	<	*(pp - 1) = '\0';  /* get rid of trailing space on buffer */
237	<	sendto_one(client_p, "%s%s%s", buf, ts5 ? " " : "", pbuf);
236	>	*(pp - 1) = '\0';  /* Get rid of trailing space on buffer */
237	>	sendto_one(client_p, "%s%s", mbuf, pbuf);
238
239	<	cur_len = mlen + ts5;
277	<	mp = buf + mlen;
239	>	cur_len = mlen;
240		pp = pbuf;
279	–	count = 0;
241		}
242
243	<	count++;
283	<	if (ts5)
284	<	{
285	<	*mp++ = flag;
286	<	*mp = '\0';
287	<	}
288	<
289	<	pp += ircsprintf(pp, "%s!%s@%s ", banptr->name, banptr->username,
290	<	banptr->host);
243	>	pp += sprintf(pp, "%s!%s@%s ", ban->name, ban->user, ban->host);
244		cur_len += tlen;
245		}
246
247	<	*(pp - 1) = '\0';  /* get rid of trailing space on buffer */
248	<	sendto_one(client_p, "%s%s%s", buf, ts5 ? " " : "", pbuf);
247	>	*(pp - 1) = '\0';  /* Get rid of trailing space on buffer */
248	>	sendto_one(client_p, "%s%s", mbuf, pbuf);
249		}
250
251	<	/*! \brief send "client_p" a full list of the modes for channel chptr
252	<	* \param client_p pointer to client client_p
253	<	* \param chptr    pointer to channel pointer
251	>	/*! \brief Send "client_p" a full list of the modes for channel chptr
252	>	* \param client_p Pointer to client client_p
253	>	* \param chptr    Pointer to channel pointer
254		*/
255		void
256	<	send_channel_modes(struct Client *client_p, struct Channel *chptr)
256	>	channel_send_modes(struct Client *client_p, const struct Channel *chptr)
257		{
258	<	if (chptr->chname[0] != '#')
259	<	return;
258	>	char modebuf[MODEBUFLEN] = "";
259	>	char parabuf[MODEBUFLEN] = "";
260
308	–	*modebuf = *parabuf = '\0';
261		channel_modes(chptr, client_p, modebuf, parabuf);
262	<	send_members(client_p, chptr, modebuf, parabuf);
262	>	channel_send_members(client_p, chptr, modebuf, parabuf);
263
264	<	send_mode_list(client_p, chptr, &chptr->banlist, 'b');
265	<
266	<	if (IsCapable(client_p, CAP_EX))
315	<	send_mode_list(client_p, chptr, &chptr->exceptlist, 'e');
316	<	if (IsCapable(client_p, CAP_IE))
317	<	send_mode_list(client_p, chptr, &chptr->invexlist, 'I');
264	>	channel_send_mask_list(client_p, chptr, &chptr->banlist, 'b');
265	>	channel_send_mask_list(client_p, chptr, &chptr->exceptlist, 'e');
266	>	channel_send_mask_list(client_p, chptr, &chptr->invexlist, 'I');
267		}
268
269	<	/*! \brief check channel name for invalid characters
270	<	* \param name pointer to channel name string
271	<	* \return TRUE (1) if name ok, FALSE (0) otherwise
269	>	/*! \brief Check channel name for invalid characters
270	>	* \param name Pointer to channel name string
271	>	* \param local Indicates whether it's a local or remote creation
272	>	* \return 0 if invalid, 1 otherwise
273		*/
274		int
275	<	check_channel_name(const char *name)
275	>	channel_check_name(const char *name, const int local)
276		{
277	<	const unsigned char *p = (const unsigned char *)name;
328	<	assert(name != NULL);
277	>	const char *p = name;
278
279	<	for (; *p; ++p)
280	<	if (!IsChanChar(*p))
281	<	return 0;
279	>	assert(!EmptyString(p));
280	>
281	>	if (!IsChanPrefix(*p))
282	>	return 0;
283
284	<	return 1;
284	>	if (!local || !ConfigChannel.disable_fake_channels)
285	>	{
286	>	while (*++p)
287	>	if (!IsChanChar(*p))
288	>	return 0;
289	>	}
290	>	else
291	>	{
292	>	while (*++p)
293	>	if (!IsVisibleChanChar(*p))
294	>	return 0;
295	>	}
296	>
297	>	return p - name <= CHANNELLEN;
298		}
299
300		void
301	<	remove_ban(struct Ban *bptr, dlink_list *list)
301	>	remove_ban(struct Ban *ban, dlink_list *list)
302		{
303	<	dlinkDelete(&bptr->node, list);
304	<
342	<	MyFree(bptr->name);
343	<	MyFree(bptr->username);
344	<	MyFree(bptr->host);
345	<	MyFree(bptr->who);
346	<
347	<	BlockHeapFree(ban_heap, bptr);
303	>	dlinkDelete(&ban->node, list);
304	>	xfree(ban);
305		}
306
307	<	/* free_channel_list()
307	>	/* channel_free_mask_list()
308		*
309		* inputs       - pointer to dlink_list
310		* output       - NONE
311		* side effects -
312		*/
313	<	void
314	<	free_channel_list(dlink_list *list)
313	>	static void
314	>	channel_free_mask_list(dlink_list *list)
315		{
316	<	dlink_node *ptr = NULL, *next_ptr = NULL;
317	<
318	<	DLINK_FOREACH_SAFE(ptr, next_ptr, list->head)
319	<	remove_ban(ptr->data, list);
320	<
364	<	assert(list->tail == NULL && list->head == NULL);
316	>	while (list->head)
317	>	{
318	>	struct Ban *ban = list->head->data;
319	>	remove_ban(ban, list);
320	>	}
321		}
322
323	<	/*! \brief Get Channel block for chname (and allocate a new channel
323	>	/*! \brief Get Channel block for name (and allocate a new channel
324		*         block, if it didn't exist before)
325	<	* \param client_p client pointer
326	<	* \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
325	>	* \param name Channel name
326	>	* \return Channel block
327		*/
328		struct Channel *
329	<	get_or_create_channel(struct Client *client_p, const char *chname, int *isnew)
329	>	channel_make(const char *name)
330		{
331	<	struct Channel *chptr = NULL;
378	<	int len;
331	>	assert(!EmptyString(name));
332
333	<	if (EmptyString(chname))
334	<	return NULL;
335	<
336	<	if ((len = strlen(chname)) > CHANNELLEN)
337	<	{
338	<	if (IsServer(client_p))
339	<	sendto_realops_flags(UMODE_DEBUG, L_ALL,
340	<	"*** Long channel name from %s (%d > %d): %s",
341	<	client_p->name, len, CHANNELLEN, chname);
342	<	return NULL;
390	<	}
391	<
392	<	if ((chptr = hash_find_channel(chname)) != NULL)
393	<	{
394	<	if (isnew != NULL)
395	<	*isnew = 0;
396	<
397	<	return chptr;
398	<	}
399	<
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);
333	>	struct Channel *chptr = xcalloc(sizeof(*chptr));
334	>	chptr->hnextch = chptr;
335	>	/* Doesn't hurt to set it here */
336	>	chptr->creationtime = CurrentTime;
337	>	chptr->last_join_time = CurrentTime;
338	>
339	>	/* Cache channel name length to avoid repetitive strlen() calls. */
340	>	chptr->name_len = strlcpy(chptr->name, name, sizeof(chptr->name));
341	>	if (chptr->name_len >= sizeof(chptr->name))
342	>	chptr->name_len = sizeof(chptr->name) - 1;
343
344	+	dlinkAdd(chptr, &chptr->node, &channel_list);
345		hash_add_channel(chptr);
346
347		return chptr;
348		}
349
350	<	/*! \brief walk through this channel, and destroy it.
351	<	* \param chptr channel pointer
350	>	/*! \brief Walk through this channel, and destroy it.
351	>	* \param chptr Channel pointer
352		*/
353		void
354	<	destroy_channel(struct Channel *chptr)
354	>	channel_free(struct Channel *chptr)
355		{
356	<	dlink_node *ptr = NULL, *ptr_next = NULL;
356	>	clear_invite_list(&chptr->invites);
357
358	<	DLINK_FOREACH_SAFE(ptr, ptr_next, chptr->invites.head)
359	<	del_invite(chptr, ptr->data);
358	>	/* Free ban/exception/invex lists */
359	>	channel_free_mask_list(&chptr->banlist);
360	>	channel_free_mask_list(&chptr->exceptlist);
361	>	channel_free_mask_list(&chptr->invexlist);
362
363	<	/* free ban/exception/invex lists */
364	<	free_channel_list(&chptr->banlist);
428	<	free_channel_list(&chptr->exceptlist);
429	<	free_channel_list(&chptr->invexlist);
363	>	dlinkDelete(&chptr->node, &channel_list);
364	>	hash_del_channel(chptr);
365
366	<	/* Free the topic */
432	<	free_topic(chptr);
366	>	assert(chptr->hnextch == chptr);
367
368	<	dlinkDelete(&chptr->node, &global_channel_list);
369	<	hash_del_channel(chptr);
368	>	assert(chptr->node.prev == NULL);
369	>	assert(chptr->node.next == NULL);
370
371	<	if (ServerInfo.hub)
372	<	if ((ptr = dlinkFindDelete(&lazylink_channels, chptr)))
373	<	free_dlink_node(ptr);
371	>	assert(dlink_list_length(&chptr->locmembers) == 0);
372	>	assert(chptr->locmembers.head == NULL);
373	>	assert(chptr->locmembers.tail == NULL);
374
375	<	BlockHeapFree(channel_heap, chptr);
375	>	assert(dlink_list_length(&chptr->members) == 0);
376	>	assert(chptr->members.head == NULL);
377	>	assert(chptr->members.tail == NULL);
378	>
379	>	assert(dlink_list_length(&chptr->invites) == 0);
380	>	assert(chptr->invites.head == NULL);
381	>	assert(chptr->invites.tail == NULL);
382	>
383	>	assert(dlink_list_length(&chptr->banlist) == 0);
384	>	assert(chptr->banlist.head == NULL);
385	>	assert(chptr->banlist.tail == NULL);
386	>
387	>	assert(dlink_list_length(&chptr->exceptlist) == 0);
388	>	assert(chptr->exceptlist.head == NULL);
389	>	assert(chptr->exceptlist.tail == NULL);
390	>
391	>	assert(dlink_list_length(&chptr->invexlist) == 0);
392	>	assert(chptr->invexlist.head == NULL);
393	>	assert(chptr->invexlist.tail == NULL);
394	>
395	>	xfree(chptr);
396		}
397
398		/*!
399	<	* \param chptr pointer to channel
400	<	* \return string pointer "=" if public, "@" if secret else "*"
399	>	* \param chptr Pointer to channel
400	>	* \return String pointer "=" if public, "@" if secret else "*"
401		*/
402		static const char *
403	<	channel_pub_or_secret(struct Channel *chptr)
403	>	channel_pub_or_secret(const struct Channel *chptr)
404		{
405		if (SecretChannel(chptr))
406		return "@";
#	Line 456 | Line 410 | channel_pub_or_secret(struct Channel *ch
410		}
411
412		/*! \brief lists all names on given channel
413	<	* \param source_p pointer to client struct requesting names
414	<	* \param chptr    pointer to channel block
415	<	* \param show_eon show ENDOFNAMES numeric or not
413	>	* \param client_p Pointer to client struct requesting names
414	>	* \param chptr    Pointer to channel block
415	>	* \param show_eon Show RPL_ENDOFNAMES numeric or not
416		*                 (don't want it with /names with no params)
417		*/
418		void
419	<	channel_member_names(struct Client *source_p, struct Channel *chptr,
466	<	int show_eon)
419	>	channel_member_names(struct Client *client_p, struct Channel *chptr, int show_eon)
420		{
421	<	struct Client *target_p = NULL;
422	<	struct Membership *ms = NULL;
470	<	dlink_node *ptr = NULL;
471	<	char lbuf[IRCD_BUFSIZE + 1];
421	>	dlink_node *node;
422	>	char buf[IRCD_BUFSIZE + 1] = "";
423		char *t = NULL, *start = NULL;
424		int tlen = 0;
425	<	int is_member = IsMember(source_p, chptr);
425	>	const int is_member = IsMember(client_p, chptr);
426	>	const int multi_prefix = HasCap(client_p, CAP_MULTI_PREFIX) != 0;
427	>	const int uhnames = HasCap(client_p, CAP_UHNAMES) != 0;
428	>
429	>	assert(IsClient(client_p));
430
431		if (PubChannel(chptr) || is_member)
432		{
433	<	t = lbuf + ircsprintf(lbuf, form_str(RPL_NAMREPLY),
434	<	me.name, source_p->name,
435	<	channel_pub_or_secret(chptr),
481	<	chptr->chname);
433	>	t = buf + snprintf(buf, sizeof(buf), numeric_form(RPL_NAMREPLY),
434	>	me.name, client_p->name,
435	>	channel_pub_or_secret(chptr), chptr->name);
436		start = t;
437
438	<	DLINK_FOREACH(ptr, chptr->members.head)
438	>	DLINK_FOREACH(node, chptr->members.head)
439		{
440	<	ms       = ptr->data;
487	<	target_p = ms->client_p;
440	>	const struct Membership *member = node->data;
441
442	<	if (IsInvisible(target_p) && !is_member)
442	>	if (HasUMode(member->client_p, UMODE_INVISIBLE) && !is_member)
443		continue;
444
445	<	tlen = strlen(target_p->name) + 1;  /* nick + space */
445	>	if (uhnames)
446	>	tlen = strlen(member->client_p->name) + strlen(member->client_p->username) +
447	>	strlen(member->client_p->host) + 3;  /* +3 for ! + @ + space */
448	>	else
449	>	tlen = strlen(member->client_p->name) + 1;  /* +1 for space */
450
451	<	if (ms->flags & (CHFL_CHANOP | CHFL_HALFOP | CHFL_VOICE))
452	<	++tlen;
453	<	if (t + tlen - lbuf > IRCD_BUFSIZE)
451	>	if (multi_prefix)
452	>	{
453	>	if (member->flags & CHFL_CHANOP)
454	>	++tlen;
455	>	if (member->flags & CHFL_HALFOP)
456	>	++tlen;
457	>	if (member->flags & CHFL_VOICE)
458	>	++tlen;
459	>	}
460	>	else
461	>	{
462	>	if (member->flags & (CHFL_CHANOP | CHFL_HALFOP | CHFL_VOICE))
463	>	++tlen;
464	>	}
465	>
466	>	if (t + tlen - buf > IRCD_BUFSIZE - 2)
467		{
468		*(t - 1) = '\0';
469	<	sendto_one(source_p, "%s", lbuf);
469	>	sendto_one(client_p, "%s", buf);
470		t = start;
471		}
472
473	<	t += ircsprintf(t, "%s%s ", get_member_status(ms, NO),
474	<	target_p->name);
473	>	if (uhnames)
474	>	t += sprintf(t, "%s%s!%s@%s ", get_member_status(member, multi_prefix),
475	>	member->client_p->name, member->client_p->username,
476	>	member->client_p->host);
477	>	else
478	>	t += sprintf(t, "%s%s ", get_member_status(member, multi_prefix),
479	>	member->client_p->name);
480		}
481
482	<	if (tlen != 0)
482	>	if (tlen)
483		{
484		*(t - 1) = '\0';
485	<	sendto_one(source_p, "%s", lbuf);
485	>	sendto_one(client_p, "%s", buf);
486		}
487		}
488
489		if (show_eon)
490	<	sendto_one(source_p, form_str(RPL_ENDOFNAMES),
516	<	me.name, source_p->name, chptr->chname);
490	>	sendto_one_numeric(client_p, &me, RPL_ENDOFNAMES, chptr->name);
491		}
492
493	<	/*! \brief adds client to invite list
494	<	* \param chptr pointer to channel block
495	<	* \param who   pointer to client to add invite to
493	>	static struct Invite *
494	>	find_invite(struct Channel *chptr, struct Client *client_p)
495	>	{
496	>	dlink_node *node, *node_next;
497	>	dlink_list *list;
498	>
499	>	/* Take the shortest of the two lists */
500	>	if (dlink_list_length(&client_p->connection->invited) < dlink_list_length(&chptr->invites))
501	>	list = &client_p->connection->invited;
502	>	else
503	>	list = &chptr->invites;
504	>
505	>	DLINK_FOREACH_SAFE(node, node_next, list->head)
506	>	{
507	>	struct Invite *invite = node->data;
508	>
509	>	if (ConfigChannel.invite_expire_time &&
510	>	ConfigChannel.invite_expire_time + invite->when < CurrentTime)
511	>	del_invite(invite);
512	>	else if (invite->chptr == chptr && invite->client_p == client_p)
513	>	return invite;
514	>	}
515	>
516	>	return NULL;
517	>	}
518	>
519	>	/*! \brief Adds client to invite list
520	>	* \param chptr    Pointer to channel block
521	>	* \param client_p Pointer to client to add invite to
522		*/
523		void
524	<	add_invite(struct Channel *chptr, struct Client *who)
524	>	add_invite(struct Channel *chptr, struct Client *client_p)
525		{
526	<	del_invite(chptr, who);
527	<
528	<	/*
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);
526	>	struct Invite *invite;
527	>	if ((invite = find_invite(chptr, client_p)))
528	>	del_invite(invite);
529	>
530	>	invite = xcalloc(sizeof(*invite));
531	>	invite->client_p = client_p;
532	>	invite->chptr = chptr;
533	>	invite->when = CurrentTime;
534	>
535	>	/* Delete last link in chain if the list is max length */
536	>	while (dlink_list_length(&client_p->connection->invited) &&
537	>	dlink_list_length(&client_p->connection->invited) >= ConfigChannel.max_invites)
538	>	del_invite(client_p->connection->invited.tail->data);
539
540	<	/* add client to channel invite list */
541	<	dlinkAdd(who, make_dlink_node(), &chptr->invites);
540	>	/* Add client to channel invite list */
541	>	dlinkAdd(invite, &invite->chan_node, &chptr->invites);
542
543	<	/* add channel to the end of the client invite list */
544	<	dlinkAdd(chptr, make_dlink_node(), &who->invited);
543	>	/* Add channel to the end of the client invite list */
544	>	dlinkAdd(invite, &invite->user_node, &client_p->connection->invited);
545		}
546
547		/*! \brief Delete Invite block from channel invite list
548		*         and client invite list
549	<	* \param chptr pointer to Channel struct
545	<	* \param who   pointer to client to remove invites from
549	>	* \param invite Pointer to Invite struct
550		*/
551		void
552	<	del_invite(struct Channel *chptr, struct Client *who)
552	>	del_invite(struct Invite *invite)
553		{
554	<	dlink_node *ptr = NULL;
554	>	dlinkDelete(&invite->user_node, &invite->client_p->connection->invited);
555	>	dlinkDelete(&invite->chan_node, &invite->chptr->invites);
556
557	<	if ((ptr = dlinkFindDelete(&who->invited, chptr)))
558	<	free_dlink_node(ptr);
557	>	/* Release memory pointed to by 'invite' */
558	>	xfree(invite);
559	>	}
560
561	<	if ((ptr = dlinkFindDelete(&chptr->invites, who)))
562	<	free_dlink_node(ptr);
561	>	/*! \brief Removes and frees all Invite blocks from a list
562	>	* \param list Pointer to a dlink_list
563	>	*/
564	>	void
565	>	clear_invite_list(dlink_list *list)
566	>	{
567	>	while (list->head)
568	>	del_invite(list->head->data);
569		}
570
571		/* get_member_status()
#	Line 565 | Line 577 | del_invite(struct Channel *chptr, struct
577		* side effects -
578		*
579		* NOTE: Returned string is usually a static buffer
580	<	* (like in get_client_name)
580	>	* (like in client_get_name)
581		*/
582		const char *
583	<	get_member_status(const struct Membership *ms, int combine)
583	>	get_member_status(const struct Membership *member, const int combine)
584		{
585	<	static char buffer[4];
586	<	char *p = NULL;
575	<
576	<	if (ms == NULL)
577	<	return "";
578	<	p = buffer;
585	>	static char buffer[CMEMBER_STATUS_FLAGS_LEN + 1];  /* +1 for \0 */
586	>	char *p = buffer;
587
588	<	if (ms->flags & CHFL_CHANOP)
588	>	if (member->flags & CHFL_CHANOP)
589		{
590		if (!combine)
591		return "@";
592		*p++ = '@';
593		}
594
595	<	#ifdef HALFOPS
588	<	if (ms->flags & CHFL_HALFOP)
595	>	if (member->flags & CHFL_HALFOP)
596		{
597		if (!combine)
598		return "%";
599		*p++ = '%';
600		}
594	–	#endif
601
602	<	if (ms->flags & CHFL_VOICE)
602	>	if (member->flags & CHFL_VOICE)
603		*p++ = '+';
604		*p = '\0';
605
#	Line 601 | Line 607 | get_member_status(const struct Membershi
607		}
608
609		/*!
610	<	* \param who  pointer to Client to check
611	<	* \param list pointer to ban list to search
610	>	* \param client_p Pointer to Client to check
611	>	* \param list     Pointer to ban list to search
612		* \return 1 if ban found for given n!u\@h mask, 0 otherwise
607	–	*
613		*/
614		static int
615	<	find_bmask(const struct Client *who, const dlink_list *const list)
615	>	find_bmask(const struct Client *client_p, const dlink_list *list)
616		{
617	<	const dlink_node *ptr = NULL;
617	>	dlink_node *node;
618
619	<	DLINK_FOREACH(ptr, list->head)
619	>	DLINK_FOREACH(node, list->head)
620		{
621	<	const struct Ban *bp = ptr->data;
621	>	const struct Ban *ban = node->data;
622
623	<	if (match(bp->name, who->name) &&
624	<	match(bp->username, who->username) &&
625	<	(match(bp->host, who->host) ||
626	<	match(bp->host, who->sockhost) ||
627	<	match_cidr(bp->host, who->sockhost)))
628	<	return 1;
623	>	if (!match(ban->name, client_p->name) && !match(ban->user, client_p->username))
624	>	{
625	>	switch (ban->type)
626	>	{
627	>	case HM_HOST:
628	>	if (!match(ban->host, client_p->host) || !match(ban->host, client_p->sockhost))
629	>	return 1;
630	>	break;
631	>	case HM_IPV4:
632	>	if (client_p->ip.ss.ss_family == AF_INET)
633	>	if (match_ipv4(&client_p->ip, &ban->addr, ban->bits))
634	>	return 1;
635	>	break;
636	>	case HM_IPV6:
637	>	if (client_p->ip.ss.ss_family == AF_INET6)
638	>	if (match_ipv6(&client_p->ip, &ban->addr, ban->bits))
639	>	return 1;
640	>	break;
641	>	default:
642	>	assert(0);
643	>	}
644	>	}
645		}
646
647		return 0;
648		}
649
650		/*!
651	<	* \param chptr pointer to channel block
652	<	* \param who   pointer to client to check access fo
651	>	* \param chptr    Pointer to channel block
652	>	* \param client_p Pointer to client to check access fo
653		* \return 0 if not banned, 1 otherwise
654		*/
655		int
656	<	is_banned(struct Channel *chptr, struct Client *who)
656	>	is_banned(const struct Channel *chptr, const struct Client *client_p)
657		{
658	<	assert(IsClient(who));
658	>	if (find_bmask(client_p, &chptr->banlist))
659	>	if (!find_bmask(client_p, &chptr->exceptlist))
660	>	return 1;
661
662	<	return find_bmask(who, &chptr->banlist) && (!ConfigChannel.use_except ||
640	<	!find_bmask(who, &chptr->exceptlist));
662	>	return 0;
663		}
664
665	<	/*!
666	<	* \param source_p pointer to client attempting to join
667	<	* \param chptr    pointer to channel
668	<	* \param key      key sent by client attempting to join if present
665	>	/*! Tests if a client can join a certain channel
666	>	* \param client_p Pointer to client attempting to join
667	>	* \param chptr    Pointer to channel
668	>	* \param key      Key sent by client attempting to join if present
669		* \return ERR_BANNEDFROMCHAN, ERR_INVITEONLYCHAN, ERR_CHANNELISFULL
670		*         or 0 if allowed to join.
671		*/
672	<	int
673	<	can_join(struct Client *source_p, struct Channel *chptr, const char *key)
672	>	static int
673	>	can_join(struct Client *client_p, struct Channel *chptr, const char *key)
674		{
675	<	if (find_bmask(source_p, &chptr->banlist))
676	<	if (!ConfigChannel.use_except || !find_bmask(source_p, &chptr->exceptlist))
677	<	return ERR_BANNEDFROMCHAN;
678	<
679	<	if (chptr->mode.mode & MODE_INVITEONLY)
680	<	if (!dlinkFind(&source_p->invited, chptr))
681	<	if (!ConfigChannel.use_invex || !find_bmask(source_p, &chptr->invexlist))
675	>	if (HasCMode(chptr, MODE_SSLONLY) && !HasUMode(client_p, UMODE_SSL))
676	>	return ERR_SSLONLYCHAN;
677	>
678	>	if (HasCMode(chptr, MODE_REGONLY) && !HasUMode(client_p, UMODE_REGISTERED))
679	>	return ERR_NEEDREGGEDNICK;
680	>
681	>	if (HasCMode(chptr, MODE_OPERONLY) && !HasUMode(client_p, UMODE_OPER))
682	>	return ERR_OPERONLYCHAN;
683	>
684	>	if (HasCMode(chptr, MODE_INVITEONLY))
685	>	if (!find_invite(chptr, client_p))
686	>	if (!find_bmask(client_p, &chptr->invexlist))
687		return ERR_INVITEONLYCHAN;
688
689	<	if (chptr->mode.key[0] && (EmptyString(key) || irccmp(chptr->mode.key, key)))
689	>	if (chptr->mode.key[0] && (!key || strcmp(chptr->mode.key, key)))
690		return ERR_BADCHANNELKEY;
691
692		if (chptr->mode.limit && dlink_list_length(&chptr->members) >=
693		chptr->mode.limit)
694		return ERR_CHANNELISFULL;
695
696	+	if (is_banned(chptr, client_p))
697	+	return ERR_BANNEDFROMCHAN;
698	+
699		return 0;
700		}
701
702		int
703	<	has_member_flags(struct Membership *ms, unsigned int flags)
703	>	has_member_flags(const struct Membership *member, const unsigned int flags)
704		{
705	<	if (ms != NULL)
676	<	return ms->flags & flags;
677	<	return 0;
705	>	return member && (member->flags & flags);
706		}
707
708		struct Membership *
709	<	find_channel_link(struct Client *client_p, struct Channel *chptr)
709	>	find_channel_link(const struct Client *client_p, const struct Channel *chptr)
710		{
711	<	dlink_node *ptr = NULL;
711	>	dlink_node *node;
712
713		if (!IsClient(client_p))
714		return NULL;
715
716	<	DLINK_FOREACH(ptr, client_p->channel.head)
717	<	if (((struct Membership *)ptr->data)->chptr == chptr)
718	<	return (struct Membership *)ptr->data;
716	>	/* Take the shortest of the two lists */
717	>	if (dlink_list_length(&chptr->members) < dlink_list_length(&client_p->channel))
718	>	{
719	>	DLINK_FOREACH(node, chptr->members.head)
720	>	if (((struct Membership *)node->data)->client_p == client_p)
721	>	return node->data;
722	>	}
723	>	else
724	>	{
725	>	DLINK_FOREACH(node, client_p->channel.head)
726	>	if (((struct Membership *)node->data)->chptr == chptr)
727	>	return node->data;
728	>	}
729
730		return NULL;
731		}
732
733	<	/*!
734	<	* \param chptr    pointer to Channel struct
735	<	* \param source_p pointer to Client struct
733	>	/*! Checks if a message contains control codes
734	>	* \param message The actual message string the client wants to send
735	>	* \return 1 if the message does contain any control codes, 0 otherwise
736	>	*/
737	>	static int
738	>	msg_has_ctrls(const char *message)
739	>	{
740	>	const unsigned char *p = (const unsigned char *)message;
741	>
742	>	for (; *p; ++p)
743	>	{
744	>	if (*p > 31 || *p == 1)
745	>	continue;  /* No control code or CTCP */
746	>
747	>	if (*p == 27)  /* Escape */
748	>	{
749	>	/* ISO 2022 charset shift sequence */
750	>	if (*(p + 1) == '$' ||
751	>	*(p + 1) == '(')
752	>	{
753	>	++p;
754	>	continue;
755	>	}
756	>	}
757	>
758	>	return 1;  /* Control code */
759	>	}
760	>
761	>	return 0;  /* No control code found */
762	>	}
763	>
764	>	/*! Tests if a client can send to a channel
765	>	* \param chptr    Pointer to Channel struct
766	>	* \param client_p Pointer to Client struct
767	>	* \param member   Pointer to Membership struct (can be NULL)
768	>	* \param message  The actual message string the client wants to send
769		* \return CAN_SEND_OPV if op or voiced on channel\n
770		*         CAN_SEND_NONOP if can send to channel but is not an op\n
771	<	*         CAN_SEND_NO if they cannot send to channel\n
771	>	*         ERR_CANNOTSENDTOCHAN or ERR_NEEDREGGEDNICK if they cannot send to channel\n
772		*/
773		int
774	<	can_send(struct Channel *chptr, struct Client *source_p)
774	>	can_send(struct Channel *chptr, struct Client *client_p,
775	>	struct Membership *member, const char *message, int notice)
776		{
777	<	struct Membership *ms = NULL;
777	>	const struct ResvItem *resv = NULL;
778
779	<	if (IsServer(source_p))
779	>	if (IsServer(client_p) || HasFlag(client_p, FLAGS_SERVICE))
780		return CAN_SEND_OPV;
781
782	<	if (MyClient(source_p) && !IsExemptResv(source_p) &&
783	<	!(IsOper(source_p) && ConfigFileEntry.oper_pass_resv) &&
784	<	(!hash_find_resv(chptr->chname) == ConfigChannel.restrict_channels))
785	<	return CAN_SEND_NO;
782	>	if (MyConnect(client_p) && !HasFlag(client_p, FLAGS_EXEMPTRESV))
783	>	if (!(HasUMode(client_p, UMODE_OPER) && HasOFlag(client_p, OPER_FLAG_JOIN_RESV)))
784	>	if ((resv = resv_find(chptr->name, match)) && !resv_exempt_find(client_p, resv))
785	>	return ERR_CANNOTSENDTOCHAN;
786	>
787	>	if (HasCMode(chptr, MODE_NOCTRL) && msg_has_ctrls(message))
788	>	return ERR_NOCTRLSONCHAN;
789	>
790	>	if (HasCMode(chptr, MODE_NOCTCP))
791	>	if (*message == '\001' && strncmp(message + 1, "ACTION ", 7))
792	>	return ERR_NOCTCP;
793
794	<	if ((ms = find_channel_link(source_p, chptr)) == NULL)
795	<	{
717	<	if (chptr->mode.mode & MODE_NOPRIVMSGS)
718	<	return CAN_SEND_NO;
719	<	}
720	<	else
721	<	{
722	<	if (ms->flags & (CHFL_CHANOP|CHFL_HALFOP|CHFL_VOICE))
794	>	if (member || (member = find_channel_link(client_p, chptr)))
795	>	if (member->flags & (CHFL_CHANOP | CHFL_HALFOP | CHFL_VOICE))
796		return CAN_SEND_OPV;
797
798	<	/* cache can send if quiet_on_ban and banned */
799	<	if (ConfigChannel.quiet_on_ban && MyClient(source_p))
798	>	if (member == NULL && HasCMode(chptr, MODE_NOPRIVMSGS))
799	>	return ERR_CANNOTSENDTOCHAN;
800	>
801	>	if (HasCMode(chptr, MODE_MODERATED))
802	>	return ERR_CANNOTSENDTOCHAN;
803	>
804	>	if (HasCMode(chptr, MODE_MODREG) && !HasUMode(client_p, UMODE_REGISTERED))
805	>	return ERR_NEEDREGGEDNICK;
806	>
807	>	if (HasCMode(chptr, MODE_NONOTICE) && notice)
808	>	return ERR_CANNOTSENDTOCHAN;
809	>
810	>	/* Cache can send if banned */
811	>	if (MyConnect(client_p))
812	>	{
813	>	if (member)
814		{
815	<	if (ms->flags & CHFL_BAN_SILENCED)
816	<	return CAN_SEND_NO;
815	>	if (member->flags & CHFL_BAN_SILENCED)
816	>	return ERR_CANNOTSENDTOCHAN;
817
818	<	if (!(ms->flags & CHFL_BAN_CHECKED))
818	>	if (!(member->flags & CHFL_BAN_CHECKED))
819		{
820	<	if (is_banned(chptr, source_p))
820	>	if (is_banned(chptr, client_p))
821		{
822	<	ms->flags |= (CHFL_BAN_CHECKED|CHFL_BAN_SILENCED);
823	<	return CAN_SEND_NO;
822	>	member->flags |= (CHFL_BAN_CHECKED | CHFL_BAN_SILENCED);
823	>	return ERR_CANNOTSENDTOCHAN;
824		}
825
826	<	ms->flags |= CHFL_BAN_CHECKED;
826	>	member->flags |= CHFL_BAN_CHECKED;
827		}
828		}
829	+	else if (is_banned(chptr, client_p))
830	+	return ERR_CANNOTSENDTOCHAN;
831		}
832
744	–	if (chptr->mode.mode & MODE_MODERATED)
745	–	return CAN_SEND_NO;
746	–
747	–	return CAN_SEND_NONOP;
748	–	}
749	–
750	–	/*! \brief Checks to see if given client can send a part message
751	–	* \param member     pointer to channel membership
752	–	* \param chptr      pointer to channel struct
753	–	* \param source_p   pointer to struct Client to check
754	–	*/
755	–	int
756	–	can_send_part(struct Membership *member, struct Channel *chptr,
757	–	struct Client *source_p)
758	–	{
759	–	if (has_member_flags(member, CHFL_CHANOP|CHFL_HALFOP))
760	–	return CAN_SEND_OPV;
761	–
762	–	if (chptr->mode.mode & MODE_MODERATED)
763	–	return CAN_SEND_NO;
764	–
765	–	if (ConfigChannel.quiet_on_ban && MyClient(source_p) &&
766	–	is_banned(chptr, source_p))
767	–	return CAN_SEND_NO;
768	–
833		return CAN_SEND_NONOP;
834		}
835
836		/*! \brief Updates the client's oper_warn_count_down, warns the
837		*         IRC operators if necessary, and updates
838		*         join_leave_countdown as needed.
839	<	* \param source_p pointer to struct Client to check
840	<	* \param name     channel name or NULL if this is a part.
839	>	* \param client_p Pointer to struct Client to check
840	>	* \param name     Channel name or NULL if this is a part.
841		*/
842		void
843	<	check_spambot_warning(struct Client *source_p, const char *name)
843	>	check_spambot_warning(struct Client *client_p, const char *name)
844		{
845	<	int t_delta = 0;
846	<	int decrement_count = 0;
783	<
784	<	if ((GlobalSetOptions.spam_num &&
785	<	(source_p->localClient->join_leave_count >=
786	<	GlobalSetOptions.spam_num)))
845	>	if (GlobalSetOptions.spam_num &&
846	>	(client_p->connection->join_leave_count >= GlobalSetOptions.spam_num))
847		{
848	<	if (source_p->localClient->oper_warn_count_down > 0)
849	<	source_p->localClient->oper_warn_count_down--;
848	>	if (client_p->connection->oper_warn_count_down > 0)
849	>	client_p->connection->oper_warn_count_down--;
850		else
851	<	source_p->localClient->oper_warn_count_down = 0;
851	>	client_p->connection->oper_warn_count_down = 0;
852
853	<	if (source_p->localClient->oper_warn_count_down == 0)
853	>	if (client_p->connection->oper_warn_count_down == 0)
854		{
855	<	/* Its already known as a possible spambot */
856	<	if (name != NULL)
857	<	sendto_realops_flags(UMODE_BOTS, L_ALL,
855	>	/* It's already known as a possible spambot */
856	>	if (name)
857	>	sendto_realops_flags(UMODE_BOTS, L_ALL, SEND_NOTICE,
858		"User %s (%s@%s) trying to join %s is a possible spambot",
859	<	source_p->name, source_p->username,
860	<	source_p->host, name);
859	>	client_p->name, client_p->username,
860	>	client_p->host, name);
861		else
862	<	sendto_realops_flags(UMODE_BOTS, L_ALL,
862	>	sendto_realops_flags(UMODE_BOTS, L_ALL, SEND_NOTICE,
863		"User %s (%s@%s) is a possible spambot",
864	<	source_p->name, source_p->username,
865	<	source_p->host);
866	<	source_p->localClient->oper_warn_count_down = OPER_SPAM_COUNTDOWN;
864	>	client_p->name, client_p->username,
865	>	client_p->host);
866	>	client_p->connection->oper_warn_count_down = OPER_SPAM_COUNTDOWN;
867		}
868		}
869		else
870		{
871	<	if ((t_delta = (CurrentTime - source_p->localClient->last_leave_time)) >
872	<	JOIN_LEAVE_COUNT_EXPIRE_TIME)
871	>	int t_delta = CurrentTime - client_p->connection->last_leave_time;
872	>	if (t_delta > JOIN_LEAVE_COUNT_EXPIRE_TIME)
873		{
874	<	decrement_count = (t_delta / JOIN_LEAVE_COUNT_EXPIRE_TIME);
875	<	if (decrement_count > source_p->localClient->join_leave_count)
876	<	source_p->localClient->join_leave_count = 0;
874	>	int decrement_count = (t_delta / JOIN_LEAVE_COUNT_EXPIRE_TIME);
875	>	if (decrement_count > client_p->connection->join_leave_count)
876	>	client_p->connection->join_leave_count = 0;
877		else
878	<	source_p->localClient->join_leave_count -= decrement_count;
878	>	client_p->connection->join_leave_count -= decrement_count;
879		}
880		else
881		{
882	<	if ((CurrentTime - (source_p->localClient->last_join_time)) <
882	>	if ((CurrentTime - (client_p->connection->last_join_time)) <
883		GlobalSetOptions.spam_time)
884	<	{
825	<	/* oh, its a possible spambot */
826	<	source_p->localClient->join_leave_count++;
827	<	}
884	>	client_p->connection->join_leave_count++;  /* It's a possible spambot */
885		}
886
887	<	if (name != NULL)
888	<	source_p->localClient->last_join_time = CurrentTime;
887	>	if (name)
888	>	client_p->connection->last_join_time = CurrentTime;
889		else
890	<	source_p->localClient->last_leave_time = CurrentTime;
890	>	client_p->connection->last_leave_time = CurrentTime;
891		}
892		}
893
894	<	/*! \brief compares usercount and servercount against their split
895	<	*         values and adjusts splitmode accordingly
896	<	* \param unused Unused address pointer
894	>	/*! \brief Sets the channel topic for a certain channel
895	>	* \param chptr      Pointer to struct Channel
896	>	* \param topic      The topic string
897	>	* \param topic_info n!u\@h formatted string of the topic setter
898	>	* \param topicts    Timestamp on the topic
899	>	* \param local      Whether the topic is set by a local client
900		*/
901		void
902	<	check_splitmode(void *unused)
902	>	channel_set_topic(struct Channel *chptr, const char *topic,
903	>	const char *topic_info, uintmax_t topicts, int local)
904		{
905	<	if (splitchecking && (ConfigChannel.no_join_on_split ||
906	<	ConfigChannel.no_create_on_split))
905	>	if (local)
906	>	strlcpy(chptr->topic, topic, IRCD_MIN(sizeof(chptr->topic), ConfigServerInfo.max_topic_length + 1));
907	>	else
908	>	strlcpy(chptr->topic, topic, sizeof(chptr->topic));
909	>
910	>	strlcpy(chptr->topic_info, topic_info, sizeof(chptr->topic_info));
911	>	chptr->topic_time = topicts;
912	>	}
913	>
914	>	void
915	>	channel_do_join(struct Client *client_p, char *chan_list, char *key_list)
916	>	{
917	>	char *p = NULL;
918	>	const struct ResvItem *resv = NULL;
919	>	const struct ClassItem *const class = class_get_ptr(&client_p->connection->confs);
920	>	unsigned int flags = 0;
921	>
922	>	assert(MyClient(client_p));
923	>
924	>	for (const char *name = strtok_r(chan_list, ",", &p); name;
925	>	name = strtok_r(NULL,      ",", &p))
926		{
927	<	const unsigned int server = dlink_list_length(&global_serv_list);
927	>	const char *key = NULL;
928	>
929	>	/* If we have any more keys, take the first for this channel. */
930	>	if (!EmptyString(key_list) && (key_list = strchr(key = key_list, ',')))
931	>	*key_list++ = '\0';
932
933	<	if (!splitmode && ((server < split_servers) || (Count.total < split_users)))
933	>	/* Empty keys are the same as no keys. */
934	>	if (key && *key == '\0')
935	>	key = NULL;
936	>
937	>	if (channel_check_name(name, 1) == 0)
938		{
939	<	splitmode = 1;
939	>	sendto_one_numeric(client_p, &me, ERR_BADCHANNAME, name);
940	>	continue;
941	>	}
942
943	<	sendto_realops_flags(UMODE_ALL,L_ALL,
944	<	"Network split, activating splitmode");
945	<	eventAddIsh("check_splitmode", check_splitmode, NULL, 10);
943	>	if (!HasFlag(client_p, FLAGS_EXEMPTRESV) &&
944	>	!(HasUMode(client_p, UMODE_OPER) && HasOFlag(client_p, OPER_FLAG_JOIN_RESV)) &&
945	>	((resv = resv_find(name, match)) && !resv_exempt_find(client_p, resv)))
946	>	{
947	>	sendto_one_numeric(client_p, &me, ERR_CHANBANREASON, name, resv->reason);
948	>	sendto_realops_flags(UMODE_REJ, L_ALL, SEND_NOTICE,
949	>	"Forbidding reserved channel %s from user %s",
950	>	name, client_get_name(client_p, HIDE_IP));
951	>	continue;
952		}
953	<	else if (splitmode && (server > split_servers) && (Count.total > split_users))
953	>
954	>	if (dlink_list_length(&client_p->channel) >=
955	>	((class->max_channels) ? class->max_channels : ConfigChannel.max_channels))
956		{
957	<	splitmode = 0;
957	>	sendto_one_numeric(client_p, &me, ERR_TOOMANYCHANNELS, name);
958	>	break;
959	>	}
960
961	<	sendto_realops_flags(UMODE_ALL, L_ALL,
962	<	"Network rejoined, deactivating splitmode");
963	<	eventDelete(check_splitmode, NULL);
961	>	struct Channel *chptr;
962	>	if ((chptr = hash_find_channel(name)))
963	>	{
964	>	if (IsMember(client_p, chptr))
965	>	continue;
966	>
967	>	/* can_join() checks for +i, +l, key, bans, etc. */
968	>	int ret = can_join(client_p, chptr, key);
969	>	if (ret)
970	>	{
971	>	sendto_one_numeric(client_p, &me, ret, chptr->name);
972	>	continue;
973	>	}
974	>
975	>	/*
976	>	* This should never be the case unless there is some sort of
977	>	* persistant channels.
978	>	*/
979	>	if (dlink_list_length(&chptr->members) == 0)
980	>	flags = CHFL_CHANOP;
981	>	else
982	>	flags = 0;
983		}
984	+	else
985	+	{
986	+	flags = CHFL_CHANOP;
987	+	chptr = channel_make(name);
988	+	}
989	+
990	+	if (!HasUMode(client_p, UMODE_OPER))
991	+	check_spambot_warning(client_p, chptr->name);
992	+
993	+	add_user_to_channel(chptr, client_p, flags, 1);
994	+
995	+	/*
996	+	* Set timestamp if appropriate, and propagate
997	+	*/
998	+	if (flags == CHFL_CHANOP)
999	+	{
1000	+	chptr->creationtime = CurrentTime;
1001	+	AddCMode(chptr, MODE_TOPICLIMIT);
1002	+	AddCMode(chptr, MODE_NOPRIVMSGS);
1003	+
1004	+	sendto_server(NULL, 0, 0, ":%s SJOIN %ju %s +nt :@%s",
1005	+	me.id, chptr->creationtime,
1006	+	chptr->name, client_p->id);
1007	+
1008	+	/*
1009	+	* Notify all other users on the new channel
1010	+	*/
1011	+	sendto_channel_local(NULL, chptr, 0, CAP_EXTENDED_JOIN, 0, ":%s!%s@%s JOIN %s %s :%s",
1012	+	client_p->name, client_p->username,
1013	+	client_p->host, chptr->name, client_p->account, client_p->info);
1014	+	sendto_channel_local(NULL, chptr, 0, 0, CAP_EXTENDED_JOIN, ":%s!%s@%s JOIN :%s",
1015	+	client_p->name, client_p->username,
1016	+	client_p->host, chptr->name);
1017	+	sendto_channel_local(NULL, chptr, 0, 0, 0, ":%s MODE %s +nt",
1018	+	me.name, chptr->name);
1019	+	}
1020	+	else
1021	+	{
1022	+	sendto_server(NULL, 0, 0, ":%s JOIN %ju %s +",
1023	+	client_p->id, chptr->creationtime,
1024	+	chptr->name);
1025	+
1026	+	sendto_channel_local(NULL, chptr, 0, CAP_EXTENDED_JOIN, 0, ":%s!%s@%s JOIN %s %s :%s",
1027	+	client_p->name, client_p->username,
1028	+	client_p->host, chptr->name, client_p->account, client_p->info);
1029	+	sendto_channel_local(NULL, chptr, 0, 0, CAP_EXTENDED_JOIN, ":%s!%s@%s JOIN :%s",
1030	+	client_p->name, client_p->username,
1031	+	client_p->host, chptr->name);
1032	+	}
1033	+
1034	+	if (client_p->away[0])
1035	+	sendto_channel_local(client_p, chptr, 0, CAP_AWAY_NOTIFY, 0,
1036	+	":%s!%s@%s AWAY :%s",
1037	+	client_p->name, client_p->username,
1038	+	client_p->host, client_p->away);
1039	+
1040	+	struct Invite *invite;
1041	+	if ((invite = find_invite(chptr, client_p)))
1042	+	del_invite(invite);
1043	+
1044	+	if (chptr->topic[0])
1045	+	{
1046	+	sendto_one_numeric(client_p, &me, RPL_TOPIC, chptr->name, chptr->topic);
1047	+	sendto_one_numeric(client_p, &me, RPL_TOPICWHOTIME, chptr->name,
1048	+	chptr->topic_info, chptr->topic_time);
1049	+	}
1050	+
1051	+	channel_member_names(client_p, chptr, 1);
1052	+
1053	+	client_p->connection->last_join_time = CurrentTime;
1054		}
1055		}
1056
1057	<	/*! \brief Allocates a new topic
1058	<	* \param chptr Channel to allocate a new topic for
1057	>	/*! \brief Removes a client from a specific channel
1058	>	* \param client_p Pointer to client to remove
1059	>	* \param name     Name of channel to remove from
1060	>	* \param reason   Part reason to show
1061		*/
1062		static void
1063	<	allocate_topic(struct Channel *chptr)
1063	>	channel_part_one_client(struct Client *client_p, const char *name, const char *reason)
1064		{
1065	<	void *ptr = NULL;
1065	>	struct Channel *chptr = NULL;
1066	>	struct Membership *member = NULL;
1067
1068	<	if (chptr == NULL)
1068	>	if ((chptr = hash_find_channel(name)) == NULL)
1069	>	{
1070	>	sendto_one_numeric(client_p, &me, ERR_NOSUCHCHANNEL, name);
1071		return;
1072	+	}
1073
1074	<	ptr = BlockHeapAlloc(topic_heap);
1075	<
1076	<	/* Basically we allocate one large block for the topic and
882	<	* the topic info.  We then split it up into two and shove it
883	<	* in the chptr
884	<	*/
885	<	chptr->topic       = ptr;
886	<	chptr->topic_info  = (char *)ptr + TOPICLEN+1;
887	<	*chptr->topic      = '\0';
888	<	*chptr->topic_info = '\0';
889	<	}
890	<
891	<	void
892	<	free_topic(struct Channel *chptr)
893	<	{
894	<	void *ptr = NULL;
895	<	assert(chptr);
896	<	if (chptr->topic == NULL)
1074	>	if ((member = find_channel_link(client_p, chptr)) == NULL)
1075	>	{
1076	>	sendto_one_numeric(client_p, &me, ERR_NOTONCHANNEL, chptr->name);
1077		return;
1078	+	}
1079	+
1080	+	if (MyConnect(client_p) && !HasUMode(client_p, UMODE_OPER))
1081	+	check_spambot_warning(client_p, NULL);
1082
1083		/*
1084	<	* If you change allocate_topic you MUST change this as well
1084	>	* Remove user from the old channel (if any)
1085	>	* only allow /part reasons in -m chans
1086		*/
1087	<	ptr = chptr->topic;
1088	<	BlockHeapFree(topic_heap, ptr);
1089	<	chptr->topic      = NULL;
1090	<	chptr->topic_info = NULL;
906	<	}
907	<
908	<	/*! \brief Sets the channel topic for chptr
909	<	* \param chptr      Pointer to struct Channel
910	<	* \param topic      The topic string
911	<	* \param topic_info n!u\@h formatted string of the topic setter
912	<	* \param topicts    timestamp on the topic
913	<	*/
914	<	void
915	<	set_channel_topic(struct Channel *chptr, const char *topic,
916	<	const char *topic_info, time_t topicts)
917	<	{
918	<	if (!EmptyString(topic))
1087	>	if (*reason && (!MyConnect(client_p) ||
1088	>	((client_p->connection->firsttime +
1089	>	ConfigGeneral.anti_spam_exit_message_time) < CurrentTime &&
1090	>	can_send(chptr, client_p, member, reason, 0) < 0)))
1091		{
1092	<	if (chptr->topic == NULL)
1093	<	allocate_topic(chptr);
1094	<
1095	<	strlcpy(chptr->topic, topic, TOPICLEN+1);
1096	<	strlcpy(chptr->topic_info, topic_info, USERHOST_REPLYLEN);
925	<	chptr->topic_time = topicts;
1092	>	sendto_server(client_p, 0, 0, ":%s PART %s :%s",
1093	>	client_p->id, chptr->name, reason);
1094	>	sendto_channel_local(NULL, chptr, 0, 0, 0, ":%s!%s@%s PART %s :%s",
1095	>	client_p->name, client_p->username,
1096	>	client_p->host, chptr->name, reason);
1097		}
1098		else
1099		{
1100	<	if (chptr->topic != NULL)
1101	<	free_topic(chptr);
1102	<
1103	<	chptr->topic_time = 0;
1100	>	sendto_server(client_p, 0, 0, ":%s PART %s",
1101	>	client_p->id, chptr->name);
1102	>	sendto_channel_local(NULL, chptr, 0, 0, 0, ":%s!%s@%s PART %s",
1103	>	client_p->name, client_p->username,
1104	>	client_p->host, chptr->name);
1105		}
1106	+
1107	+	remove_user_from_channel(member);
1108		}
1109
1110	+	void
1111	+	channel_do_part(struct Client *client_p, char *channel, const char *reason)
1112	+	{
1113	+	char *p = NULL;
1114	+	char buf[KICKLEN + 1] = "";
1115	+
1116	+	assert(IsClient(client_p));
1117	+
1118	+	if (!EmptyString(reason))
1119	+	strlcpy(buf, reason, sizeof(buf));
1120	+
1121	+	for (const char *name = strtok_r(channel, ",", &p); name;
1122	+	name = strtok_r(NULL,    ",", &p))
1123	+	channel_part_one_client(client_p, name, buf);
1124	+	}

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 8588 by michael, Sun Oct 21 10:51:52 2018 UTC

#	Line 1 | Line 1
1	<	Revision
1	>	Id

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines (old)
>	Changed lines (new)