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

Comparing:
ircd-hybrid-7.2/src/channel.c (file contents), Revision 454 by michael, Sun Feb 12 19:01:25 2006 UTC vs.
ircd-hybrid-8/src/channel.c (file contents), Revision 1330 by michael, Sun Apr 1 12:12:00 2012 UTC

#	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 "hostmask.h"
34		#include "irc_string.h"
35		#include "sprintf_irc.h"
36		#include "ircd.h"
38	–	#include "list.h"
37		#include "numeric.h"
38		#include "s_serv.h"             /* captab */
39		#include "s_user.h"
40		#include "send.h"
41	<	#include "s_conf.h"             /* ConfigFileEntry, ConfigChannel */
41	>	#include "conf.h"             /* ConfigFileEntry, ConfigChannel */
42		#include "event.h"
43		#include "memory.h"
44		#include "balloc.h"
45
46		struct config_channel_entry ConfigChannel;
47		dlink_list global_channel_list = { NULL, NULL, 0 };
50	–	dlink_list lazylink_channels = { NULL, NULL, 0 };
48		BlockHeap *ban_heap;    /*! \todo ban_heap shouldn't be a global var */
49
53	–	static BlockHeap *topic_heap = NULL;
50		static BlockHeap *member_heap = NULL;
51		static BlockHeap *channel_heap = NULL;
52
#	Line 64 | Line 60 | static char parabuf[MODEBUFLEN];
60		void
61		init_channels(void)
62		{
67	–	/*
68	–	* XXX - These should get moved to somwhere else once we have
69	–	* a modular channelmode system
70	–	*/
63		add_capability("EX", CAP_EX, 1);
64		add_capability("IE", CAP_IE, 1);
65		add_capability("CHW", CAP_CHW, 1);
66
67		channel_heap = BlockHeapCreate("channel", sizeof(struct Channel), CHANNEL_HEAP_SIZE);
68		ban_heap = BlockHeapCreate("ban", sizeof(struct Ban), BAN_HEAP_SIZE);
77	–	topic_heap = BlockHeapCreate("topic", TOPICLEN+1 + USERHOST_REPLYLEN, TOPIC_HEAP_SIZE);
69		member_heap = BlockHeapCreate("member", sizeof(struct Membership), CHANNEL_HEAP_SIZE*2);
70		}
71
#	Line 128 | Line 119 | add_user_to_channel(struct Channel *chpt
119		ms->flags = flags;
120
121		dlinkAdd(ms, &ms->channode, &chptr->members);
131	–
132	–	if (MyConnect(who))
133	–	dlinkAdd(ms, &ms->locchannode, &chptr->locmembers);
134	–
122		dlinkAdd(ms, &ms->usernode, &who->channel);
123		}
124
#	Line 146 | Line 133 | remove_user_from_channel(struct Membersh
133		struct Channel *chptr = member->chptr;
134
135		dlinkDelete(&member->channode, &chptr->members);
149	–
150	–	if (MyConnect(client_p))
151	–	dlinkDelete(&member->locchannode, &chptr->locmembers);
152	–
136		dlinkDelete(&member->usernode, &client_p->channel);
137
138		BlockHeapFree(member_heap, member);
139
140	<	if (dlink_list_length(&chptr->members) == 0)
158	<	{
159	<	assert(dlink_list_length(&chptr->locmembers) == 0);
140	>	if (chptr->members.head == NULL)
141		destroy_channel(chptr);
161	–	}
142		}
143
144		/* send_members()
#	Line 200 | Line 180 | send_members(struct Client *client_p, st
180		/* space will be converted into CR, but we also need space for LF..
181		* That's why we use '- 1' here
182		* -adx */
183	<	if (t + tlen - buf > sizeof(buf) - 1)
183	>	if (t + tlen - buf > IRCD_BUFSIZE - 1)
184		{
185		*(t - 1) = '\0';  /* kill the space and terminate the string */
186		sendto_one(client_p, "%s", buf);
#	Line 323 | Line 303 | send_channel_modes(struct Client *client
303
304		/*! \brief check channel name for invalid characters
305		* \param name pointer to channel name string
306	<	* \return TRUE (1) if name ok, FALSE (0) otherwise
306	>	* \param local indicates whether it's a local or remote creation
307	>	* \return 0 if invalid, 1 otherwise
308		*/
309		int
310	<	check_channel_name(const char *name)
310	>	check_channel_name(const char *name, int local)
311		{
312	<	const unsigned char *p = (const unsigned char *)name;
312	>	const char *p = name;
313	>	int max_length = local ? LOCAL_CHANNELLEN : CHANNELLEN;
314		assert(name != NULL);
315
316	<	for (; *p; ++p)
317	<	if (!IsChanChar(*p))
318	<	return 0;
316	>	if (!IsChanPrefix(*p))
317	>	return 0;
318	>
319	>	if (!local || !ConfigChannel.disable_fake_channels)
320	>	{
321	>	while (*++p)
322	>	if (!IsChanChar(*p))
323	>	return 0;
324	>	}
325	>	else
326	>	{
327	>	while (*++p)
328	>	if (!IsVisibleChanChar(*p))
329	>	return 0;
330	>	}
331
332	<	return 1;
332	>	return p - name <= max_length;
333		}
334
335		void
#	Line 370 | Line 364 | free_channel_list(dlink_list *list)
364
365		/*! \brief Get Channel block for chname (and allocate a new channel
366		*         block, if it didn't exist before)
367	<	* \param client_p client pointer
368	<	* \param chname   channel name
375	<	* \param isnew    pointer to int flag whether channel was newly created or not
376	<	* \return channel block or NULL if illegal name
367	>	* \param chname channel name
368	>	* \return channel block
369		*/
370		struct Channel *
371	<	get_or_create_channel(struct Client *client_p, const char *chname, int *isnew)
371	>	make_channel(const char *chname)
372		{
373		struct Channel *chptr = NULL;
382	–	int len;
374
375	<	if (EmptyString(chname))
385	<	return NULL;
386	<
387	<	if ((len = strlen(chname)) > CHANNELLEN)
388	<	{
389	<	if (IsServer(client_p))
390	<	sendto_realops_flags(UMODE_DEBUG, L_ALL,
391	<	"*** Long channel name from %s (%d > %d): %s",
392	<	client_p->name, len, CHANNELLEN, chname);
393	<	return NULL;
394	<	}
395	<
396	<	if ((chptr = hash_find_channel(chname)) != NULL)
397	<	{
398	<	if (isnew != NULL)
399	<	*isnew = 0;
400	<
401	<	return chptr;
402	<	}
403	<
404	<	if (isnew != NULL)
405	<	*isnew = 1;
375	>	assert(!EmptyString(chname));
376
377		chptr = BlockHeapAlloc(channel_heap);
378	+
379		/* doesn't hurt to set it here */
380	<	chptr->channelts = chptr->last_join_time = CurrentTime;
380	>	chptr->channelts = CurrentTime;
381	>	chptr->last_join_time = CurrentTime;
382
383		strlcpy(chptr->chname, chname, sizeof(chptr->chname));
384		dlinkAdd(chptr, &chptr->node, &global_channel_list);
#	Line 432 | Line 404 | destroy_channel(struct Channel *chptr)
404		free_channel_list(&chptr->exceptlist);
405		free_channel_list(&chptr->invexlist);
406
435	–	/* Free the topic */
436	–	free_topic(chptr);
437	–
407		dlinkDelete(&chptr->node, &global_channel_list);
408		hash_del_channel(chptr);
409
441	–	if (ServerInfo.hub)
442	–	if ((ptr = dlinkFindDelete(&lazylink_channels, chptr)))
443	–	free_dlink_node(ptr);
444	–
410		BlockHeapFree(channel_heap, chptr);
411		}
412
#	Line 450 | Line 415 | destroy_channel(struct Channel *chptr)
415		* \return string pointer "=" if public, "@" if secret else "*"
416		*/
417		static const char *
418	<	channel_pub_or_secret(struct Channel *chptr)
418	>	channel_pub_or_secret(const struct Channel *chptr)
419		{
420		if (SecretChannel(chptr))
421		return "@";
#	Line 476 | Line 441 | channel_member_names(struct Client *sour
441		char *t = NULL, *start = NULL;
442		int tlen = 0;
443		int is_member = IsMember(source_p, chptr);
444	+	int multi_prefix = HasCap(source_p, CAP_MULTI_PREFIX) != 0;
445
446		if (PubChannel(chptr) || is_member)
447		{
#	Line 490 | Line 456 | channel_member_names(struct Client *sour
456		ms       = ptr->data;
457		target_p = ms->client_p;
458
459	<	if (IsInvisible(target_p) && !is_member)
459	>	if (HasUMode(target_p, UMODE_INVISIBLE) && !is_member)
460		continue;
461
462		tlen = strlen(target_p->name) + 1;  /* nick + space */
463
464	<	if (ms->flags & (CHFL_CHANOP | CHFL_HALFOP | CHFL_VOICE))
465	<	++tlen;
466	<	if (t + tlen - lbuf > IRCD_BUFSIZE)
464	>	if (!multi_prefix)
465	>	{
466	>	if (ms->flags & (CHFL_CHANOP | CHFL_HALFOP | CHFL_VOICE))
467	>	++tlen;
468	>	}
469	>	else
470	>	{
471	>	if (ms->flags & CHFL_CHANOP)
472	>	++tlen;
473	>	if (ms->flags & CHFL_HALFOP)
474	>	++tlen;
475	>	if (ms->flags & CHFL_VOICE)
476	>	++tlen;
477	>	}
478	>
479	>	if (t + tlen - lbuf > IRCD_BUFSIZE - 2)
480		{
481		*(t - 1) = '\0';
482		sendto_one(source_p, "%s", lbuf);
483		t = start;
484		}
485
486	<	t += ircsprintf(t, "%s%s ", get_member_status(ms, NO),
486	>	t += ircsprintf(t, "%s%s ", get_member_status(ms, multi_prefix),
487		target_p->name);
488		}
489
#	Line 654 | Line 633 | find_bmask(const struct Client *who, con
633		* \return 0 if not banned, 1 otherwise
634		*/
635		int
636	<	is_banned(struct Channel *chptr, struct Client *who)
636	>	is_banned(const struct Channel *chptr, const struct Client *who)
637		{
638	<	assert(IsClient(who));
638	>	if (find_bmask(who, &chptr->banlist))
639	>	if (!ConfigChannel.use_except || !find_bmask(who, &chptr->exceptlist))
640	>	return 1;
641
642	<	return find_bmask(who, &chptr->banlist) && (!ConfigChannel.use_except ||
662	<	!find_bmask(who, &chptr->exceptlist));
642	>	return 0;
643		}
644
645		/*!
#	Line 672 | Line 652 | is_banned(struct Channel *chptr, struct
652		int
653		can_join(struct Client *source_p, struct Channel *chptr, const char *key)
654		{
655	<	if (find_bmask(source_p, &chptr->banlist))
656	<	if (!ConfigChannel.use_except || !find_bmask(source_p, &chptr->exceptlist))
657	<	return ERR_BANNEDFROMCHAN;
655	>	if (is_banned(chptr, source_p))
656	>	return ERR_BANNEDFROMCHAN;
657	>
658	>	#ifdef HAVE_LIBCRYPTO
659	>	if ((chptr->mode.mode & MODE_SSLONLY) && !source_p->localClient->fd.ssl)
660	>	return ERR_SSLONLYCHAN;
661	>	#endif
662	>
663	>	if ((chptr->mode.mode & MODE_REGONLY) && !HasUMode(source_p, UMODE_REGISTERED))
664	>	return ERR_NEEDREGGEDNICK;
665	>
666	>	if ((chptr->mode.mode & MODE_OPERONLY) && !HasUMode(source_p, UMODE_OPER))
667	>	return ERR_OPERONLYCHAN;
668
669		if (chptr->mode.mode & MODE_INVITEONLY)
670		if (!dlinkFind(&source_p->localClient->invited, chptr))
671		if (!ConfigChannel.use_invex || !find_bmask(source_p, &chptr->invexlist))
672		return ERR_INVITEONLYCHAN;
673
674	<	if (chptr->mode.key[0] && (EmptyString(key) || irccmp(chptr->mode.key, key)))
674	>	if (chptr->mode.key[0] && (!key || irccmp(chptr->mode.key, key)))
675		return ERR_BADCHANNELKEY;
676
677		if (chptr->mode.limit && dlink_list_length(&chptr->members) >=
#	Line 709 | Line 699 | find_channel_link(struct Client *client_
699
700		DLINK_FOREACH(ptr, client_p->channel.head)
701		if (((struct Membership *)ptr->data)->chptr == chptr)
702	<	return (struct Membership *)ptr->data;
702	>	return ptr->data;
703
704		return NULL;
705		}
#	Line 720 | Line 710 | find_channel_link(struct Client *client_
710		* \param ms       pointer to Membership struct (can be NULL)
711		* \return CAN_SEND_OPV if op or voiced on channel\n
712		*         CAN_SEND_NONOP if can send to channel but is not an op\n
713	<	*         CAN_SEND_NO if they cannot send to channel\n
713	>	*         ERR_CANNOTSENDTOCHAN or ERR_NEEDREGGEDNICK if they cannot send to channel\n
714		*/
715		int
716		can_send(struct Channel *chptr, struct Client *source_p, struct Membership *ms)
717		{
718	<	if (IsServer(source_p))
718	>	if (IsServer(source_p) || HasFlag(source_p, FLAGS_SERVICE))
719		return CAN_SEND_OPV;
720
721	<	if (MyClient(source_p) && !IsExemptResv(source_p) &&
722	<	!(IsOper(source_p) && ConfigFileEntry.oper_pass_resv) &&
723	<	(!hash_find_resv(chptr->chname) == ConfigChannel.restrict_channels))
724	<	return CAN_SEND_NO;
721	>	if (MyClient(source_p) && !IsExemptResv(source_p))
722	>	if (!(HasUMode(source_p, UMODE_OPER) && ConfigFileEntry.oper_pass_resv))
723	>	if (!hash_find_resv(chptr->chname) == ConfigChannel.restrict_channels)
724	>	return ERR_CANNOTSENDTOCHAN;
725
726		if (ms != NULL || (ms = find_channel_link(source_p, chptr)))
727		{
#	Line 742 | Line 732 | can_send(struct Channel *chptr, struct C
732		if (ConfigChannel.quiet_on_ban && MyClient(source_p))
733		{
734		if (ms->flags & CHFL_BAN_SILENCED)
735	<	return CAN_SEND_NO;
735	>	return ERR_CANNOTSENDTOCHAN;
736
737		if (!(ms->flags & CHFL_BAN_CHECKED))
738		{
739		if (is_banned(chptr, source_p))
740		{
741		ms->flags |= (CHFL_BAN_CHECKED|CHFL_BAN_SILENCED);
742	<	return CAN_SEND_NO;
742	>	return ERR_CANNOTSENDTOCHAN;
743		}
744
745		ms->flags |= CHFL_BAN_CHECKED;
746		}
747		}
748		}
749	+	else if (chptr->mode.mode & MODE_NOPRIVMSGS)
750	+	return ERR_CANNOTSENDTOCHAN;
751
752	<	if (chptr->mode.mode & (MODE_MODERATED|MODE_NOPRIVMSGS))
753	<	return CAN_SEND_NO;
752	>	if (chptr->mode.mode & MODE_MODERATED)
753	>	return ERR_CANNOTSENDTOCHAN;
754
755		return CAN_SEND_NONOP;
756		}
#	Line 859 | Line 851 | check_splitmode(void *unused)
851		}
852		}
853
862	–	/*! \brief Allocates a new topic
863	–	* \param chptr Channel to allocate a new topic for
864	–	*/
865	–	static void
866	–	allocate_topic(struct Channel *chptr)
867	–	{
868	–	void *ptr = NULL;
869	–
870	–	if (chptr == NULL)
871	–	return;
872	–
873	–	ptr = BlockHeapAlloc(topic_heap);
874	–
875	–	/* Basically we allocate one large block for the topic and
876	–	* the topic info.  We then split it up into two and shove it
877	–	* in the chptr
878	–	*/
879	–	chptr->topic       = ptr;
880	–	chptr->topic_info  = (char *)ptr + TOPICLEN+1;
881	–	*chptr->topic      = '\0';
882	–	*chptr->topic_info = '\0';
883	–	}
884	–
885	–	void
886	–	free_topic(struct Channel *chptr)
887	–	{
888	–	void *ptr = NULL;
889	–	assert(chptr);
890	–	if (chptr->topic == NULL)
891	–	return;
892	–
893	–	/*
894	–	* If you change allocate_topic you MUST change this as well
895	–	*/
896	–	ptr = chptr->topic;
897	–	BlockHeapFree(topic_heap, ptr);
898	–	chptr->topic      = NULL;
899	–	chptr->topic_info = NULL;
900	–	}
901	–
854		/*! \brief Sets the channel topic for chptr
855		* \param chptr      Pointer to struct Channel
856		* \param topic      The topic string
#	Line 909 | Line 861 | void
861		set_channel_topic(struct Channel *chptr, const char *topic,
862		const char *topic_info, time_t topicts)
863		{
864	<	if (!EmptyString(topic))
865	<	{
866	<	if (chptr->topic == NULL)
915	<	allocate_topic(chptr);
916	<
917	<	strlcpy(chptr->topic, topic, TOPICLEN+1);
918	<	strlcpy(chptr->topic_info, topic_info, USERHOST_REPLYLEN);
919	<	chptr->topic_time = topicts;
920	<	}
921	<	else
922	<	{
923	<	/*
924	<	* Do not reset chptr->topic_time here, it's required for
925	<	* bursting topics properly.
926	<	*/
927	<	if (chptr->topic != NULL)
928	<	free_topic(chptr);
929	<	}
864	>	strlcpy(chptr->topic, topic, sizeof(chptr->topic));
865	>	strlcpy(chptr->topic_info, topic_info, sizeof(chptr->topic_info));
866	>	chptr->topic_time = topicts;
867		}

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