[irc/rqf/shadowircd.git] / modules / m_list.c

/*
 * charybdis: An advanced ircd.
 * m_list_safelist.c: Version of /list that uses the safelist code.
 *
 * Copyright (c) 2006 William Pitcock <nenolod@nenolod.net>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 */

#include "stdinc.h"
#include "channel.h"
#include "client.h"
#include "hash.h"
#include "match.h"
#include "ircd.h"
#include "numeric.h"
#include "s_conf.h"
#include "s_newconf.h"
#include "s_serv.h"
#include "send.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"

static rb_dlink_list safelisting_clients = { NULL, NULL, 0 };

static int _modinit(void);
static void _moddeinit(void);

static int m_list(struct Client *, struct Client *, int, const char **);
static int mo_list(struct Client *, struct Client *, int, const char **);

static void safelist_check_cliexit(hook_data_client_exit * hdata);
static void safelist_client_instantiate(struct Client *, struct ListClient *);
static void safelist_client_release(struct Client *);
static void safelist_one_channel(struct Client *source_p, struct Channel *chptr);
static void safelist_iterate_client(struct Client *source_p);
static void safelist_iterate_clients(void *unused);
static void safelist_channel_named(struct Client *source_p, const char *name);

struct Message list_msgtab = {
	"LIST", 0, 0, 0, MFLG_SLOW,
	{mg_unreg, {m_list, 0}, mg_ignore, mg_ignore, mg_ignore, {mo_list, 0}}
};

mapi_clist_av1 list_clist[] = { &list_msgtab, NULL };

mapi_hfn_list_av1 list_hfnlist[] = {
	{"client_exit", (hookfn) safelist_check_cliexit},
	{NULL, NULL}
};

DECLARE_MODULE_AV1(list, _modinit, _moddeinit, list_clist, NULL, list_hfnlist, "$Revision: 3372 $");

static struct ev_entry *iterate_clients_ev = NULL;

static int _modinit(void)
{
	iterate_clients_ev = rb_event_add("safelist_iterate_clients", safelist_iterate_clients, NULL, 3);

	return 0;
}

static void _moddeinit(void)
{
	rb_event_delete(iterate_clients_ev);
}

static void safelist_check_cliexit(hook_data_client_exit * hdata)
{
	/* Cancel the safelist request if we are disconnecting
	 * from the server. That way it doesn't core. :P --nenolod
	 */
	if (MyClient(hdata->target) && hdata->target->localClient->safelist_data != NULL)
	{
		safelist_client_release(hdata->target);
	}
}

/* m_list()
 *      parv[1] = channel
 *
 * XXX - With SAFELIST, do we really need to continue pacing?
 *       In theory, the server cannot be lagged by this. --nenolod
 */
static int m_list(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
	static time_t last_used = 0L;

	if (source_p->localClient->safelist_data != NULL)
	{
		sendto_one_notice(source_p, ":/LIST aborted");
		safelist_client_release(source_p);
		return 0;
	}

	if (parc < 2 || !IsChannelName(parv[1]))
	{
		/* pace this due to the sheer traffic involved */
		if (((last_used + ConfigFileEntry.pace_wait) > rb_current_time()))
		{
			sendto_one(source_p, form_str(RPL_LOAD2HI), me.name, source_p->name, "LIST");
			sendto_one(source_p, form_str(RPL_LISTEND), me.name, source_p->name);
			return 0;
		}
		else
			last_used = rb_current_time();
	}

	return mo_list(client_p, source_p, parc, parv);
}

/* mo_list()
 *      parv[1] = channel
 */
static int mo_list(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
	struct ListClient params;
	char *p, *args;
	int i;

	if (source_p->localClient->safelist_data != NULL)
	{
		sendto_one_notice(source_p, ":/LIST aborted");
		safelist_client_release(source_p);
		return 0;
	}

	/* Let the user set it */
	params.users_min = ConfigFileEntry.hide_channel_below_users;
	params.users_max = INT_MAX;
	params.operspy = 0;

	if (parc > 1 && parv[1] != NULL && !IsChannelName(parv[1]))
	{
		args = LOCAL_COPY(parv[1]);

		/* Cancel out default minimum. */
		params.users_min = 0;

		for (i = 0; i < 2; i++)
		{
			if ((p = strchr(args, ',')) != NULL)
				*p++ = '\0';

			if (*args == '<')
			{
				args++;
				if (IsDigit(*args))
				{
					params.users_max = atoi(args);
					if (params.users_max == 0)
						params.users_max = INT_MAX;
					else
						params.users_max--;
				}
				else
					params.users_max = INT_MAX;
			}
			else if (*args == '>')
			{
				args++;
				if (IsDigit(*args))
					params.users_min = atoi(args) + 1;
				else
					params.users_min = 0;
			}
			/* Only accept operspy as the first option. */
			else if (*args == '!' && IsOperSpy(source_p) && i == 0)
			{
				params.operspy = 1;
				report_operspy(source_p, "LIST", p);
			}

			if (EmptyString(p))
				break;
			else
				args = p;
		}
	}
	else if (parc > 1 && IsChannelName(parv[1]))
	{
		safelist_channel_named(source_p, parv[1]);
		return 0;
	}

	safelist_client_instantiate(source_p, &params);

	return 0;
}

/*
 * safelist_sendq_exceeded()
 *
 * inputs       - pointer to client that needs checking
 * outputs      - 1 if a client has exceeded the reserved
 *                sendq limit, 0 if not
 * side effects - none
 *
 * When safelisting, we only use half of the SendQ at any
 * given time.
 */
static int safelist_sendq_exceeded(struct Client *client_p)
{
	if (rb_linebuf_len(&client_p->localClient->buf_sendq) > (get_sendq(client_p) / 2))
		return YES;
	else
		return NO;
}

/*
 * safelist_client_instantiate()
 *
 * inputs       - pointer to Client to be listed,
 *                struct ListClient to copy for params
 * outputs      - none
 * side effects - the safelist process begins for a
 *                client.
 *
 * Please do not ever call this on a non-local client.
 * If you do, you will get SIGSEGV.
 */
static void safelist_client_instantiate(struct Client *client_p, struct ListClient *params)
{
	struct ListClient *self;

	s_assert(MyClient(client_p));
	s_assert(params != NULL);

	self = rb_malloc(sizeof(struct ListClient));

	self->hash_indice = 0;
	self->users_min = params->users_min;
	self->users_max = params->users_max;
	self->operspy = params->operspy;

	client_p->localClient->safelist_data = self;

	sendto_one(client_p, form_str(RPL_LISTSTART), me.name, client_p->name);

	/* pop the client onto the queue for processing */
	rb_dlinkAddAlloc(client_p, &safelisting_clients);

	/* give the user some initial data to work with */
	safelist_iterate_client(client_p);
}

/*
 * safelist_client_release()
 *
 * inputs       - pointer to Client being listed on
 * outputs      - none
 * side effects - the client is no longer being
 *                listed
 *
 * Please do not ever call this on a non-local client.
 * If you do, you will get SIGSEGV.
 */
static void safelist_client_release(struct Client *client_p)
{
	s_assert(MyClient(client_p));

	rb_dlinkFindDestroy(client_p, &safelisting_clients);

	rb_free(client_p->localClient->safelist_data);

	client_p->localClient->safelist_data = NULL;

	sendto_one(client_p, form_str(RPL_LISTEND), me.name, client_p->name);
}

/*
 * safelist_channel_named()
 *
 * inputs       - client pointer, channel name
 * outputs      - none
 * side effects - a named channel is listed
 */
static void safelist_channel_named(struct Client *source_p, const char *name)
{
	struct Channel *chptr;
	char *p;
	char *n = LOCAL_COPY(name);

	sendto_one(source_p, form_str(RPL_LISTSTART), me.name, source_p->name);

	if ((p = strchr(n, ',')))
		*p = '\0';

	if (*n == '\0')
	{
		sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), name);
		sendto_one(source_p, form_str(RPL_LISTEND), me.name, source_p->name);
		return;
	}

	chptr = find_channel(n);

	if (chptr == NULL)
	{
		sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), n);
		sendto_one(source_p, form_str(RPL_LISTEND), me.name, source_p->name);
		return;
	}

	if (!SecretChannel(chptr) || IsMember(source_p, chptr))
		sendto_one(source_p, form_str(RPL_LIST), me.name, source_p->name, "",
			   chptr->chname, rb_dlink_list_length(&chptr->members),
			   chptr->topic == NULL ? "" : chptr->topic);

	sendto_one(source_p, form_str(RPL_LISTEND), me.name, source_p->name);
	return;
}

/*
 * safelist_one_channel()
 *
 * inputs       - client pointer and channel pointer
 * outputs      - none
 * side effects - a channel is listed if it meets the
 *                requirements
 */
static void safelist_one_channel(struct Client *source_p, struct Channel *chptr)
{
	struct ListClient *safelist_data = source_p->localClient->safelist_data;

	if (SecretChannel(chptr) && !IsMember(source_p, chptr) && !safelist_data->operspy)
		return;

	if ((unsigned int)chptr->members.length < safelist_data->users_min
	    || (unsigned int)chptr->members.length > safelist_data->users_max)
		return;

	sendto_one(source_p, form_str(RPL_LIST), me.name, source_p->name,
		   (safelist_data->operspy && SecretChannel(chptr)) ? "!" : "",
		   chptr->chname, rb_dlink_list_length(&chptr->members),
		   chptr->topic == NULL ? "" : chptr->topic);
}

/*
 * safelist_iterate_client()
 *
 * inputs       - client pointer
 * outputs      - none
 * side effects - the client's sendq is filled up again
 */
static void safelist_iterate_client(struct Client *source_p)
{
	rb_dlink_node *ptr;
	int iter;

	for (iter = source_p->localClient->safelist_data->hash_indice; iter < CH_MAX; iter++)
	{
		if (safelist_sendq_exceeded(source_p->from) == YES)
		{
			source_p->localClient->safelist_data->hash_indice = iter;
			return;
		}

		RB_DLINK_FOREACH(ptr, channelTable[iter].head) 
			safelist_one_channel(source_p, (struct Channel *) ptr->data);
	}

	safelist_client_release(source_p);
}

static void safelist_iterate_clients(void *unused)
{
	rb_dlink_node *n, *n2;

	RB_DLINK_FOREACH_SAFE(n, n2, safelisting_clients.head) 
		safelist_iterate_client((struct Client *)n->data);
}
Commit	Line	Data
212380e3	1	/*
	2	* charybdis: An advanced ircd.
	3	* m_list_safelist.c: Version of /list that uses the safelist code.
	4	*
	5	* Copyright (c) 2006 William Pitcock <nenolod@nenolod.net>
	6	*
	7	* Redistribution and use in source and binary forms, with or without
	8	* modification, are permitted provided that the following conditions are
	9	* met:
	10	*
	11	* 1. Redistributions of source code must retain the above copyright notice,
	12	* this list of conditions and the following disclaimer.
	13	*
	14	* 2. Redistributions in binary form must reproduce the above copyright
	15	* notice, this list of conditions and the following disclaimer in the
	16	* documentation and/or other materials provided with the distribution.
	17	*
	18	* 3. The name of the author may not be used to endorse or promote products
	19	* derived from this software without specific prior written permission.
	20	*
	21	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
	22	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
	23	* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
	24	* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
	25	* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
	26	* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
	27	* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	28	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	29	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
	30	* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	31	* POSSIBILITY OF SUCH DAMAGE.
	32	*
212380e3	33	*/
	34
	35	#include "stdinc.h"
212380e3	36	#include "channel.h"
	37	#include "client.h"
	38	#include "hash.h"
13ae2f4b	39	#include "match.h"
212380e3	40	#include "ircd.h"
	41	#include "numeric.h"
	42	#include "s_conf.h"
e78f804d	43	#include "s_newconf.h"
212380e3	44	#include "s_serv.h"
	45	#include "send.h"
	46	#include "msg.h"
	47	#include "parse.h"
	48	#include "modules.h"
212380e3	49
08d11e34	50	static rb_dlink_list safelisting_clients = { NULL, NULL, 0 };
212380e3	51
	52	static int _modinit(void);
	53	static void _moddeinit(void);
	54
	55	static int m_list(struct Client , struct Client , int, const char **);
	56	static int mo_list(struct Client , struct Client , int, const char **);
	57
	58	static void safelist_check_cliexit(hook_data_client_exit * hdata);
	59	static void safelist_client_instantiate(struct Client , struct ListClient );
	60	static void safelist_client_release(struct Client *);
	61	static void safelist_one_channel(struct Client source_p, struct Channel chptr);
	62	static void safelist_iterate_client(struct Client *source_p);
	63	static void safelist_iterate_clients(void *unused);
	64	static void safelist_channel_named(struct Client source_p, const char name);
	65
	66	struct Message list_msgtab = {
	67	"LIST", 0, 0, 0, MFLG_SLOW,
	68	{mg_unreg, {m_list, 0}, mg_ignore, mg_ignore, mg_ignore, {mo_list, 0}}
	69	};
	70
	71	mapi_clist_av1 list_clist[] = { &list_msgtab, NULL };
	72
	73	mapi_hfn_list_av1 list_hfnlist[] = {
	74	{"client_exit", (hookfn) safelist_check_cliexit},
	75	{NULL, NULL}
	76	};
	77
607cf49f	78	DECLARE_MODULE_AV1(list, _modinit, _moddeinit, list_clist, NULL, list_hfnlist, "$Revision: 3372 $");
212380e3	79
03e24016 WP	80	static struct ev_entry *iterate_clients_ev = NULL;
03e24016 WP	81
212380e3	82	static int _modinit(void)
212380e3	83	{
03e24016	84	iterate_clients_ev = rb_event_add("safelist_iterate_clients", safelist_iterate_clients, NULL, 3);
212380e3	85
	86	return 0;
	87	}
	88
	89	static void _moddeinit(void)
	90	{
03e24016	91	rb_event_delete(iterate_clients_ev);
212380e3	92	}
	93
	94	static void safelist_check_cliexit(hook_data_client_exit * hdata)
	95	{
	96	/* Cancel the safelist request if we are disconnecting
	97	* from the server. That way it doesn't core. :P --nenolod
	98	*/
	99	if (MyClient(hdata->target) && hdata->target->localClient->safelist_data != NULL)
	100	{
	101	safelist_client_release(hdata->target);
	102	}
	103	}
	104
	105	/* m_list()
212380e3	106	* parv[1] = channel
	107	*
	108	* XXX - With SAFELIST, do we really need to continue pacing?
	109	* In theory, the server cannot be lagged by this. --nenolod
	110	*/
	111	static int m_list(struct Client client_p, struct Client source_p, int parc, const char *parv[])
	112	{
	113	static time_t last_used = 0L;
	114
	115	if (source_p->localClient->safelist_data != NULL)
	116	{
	117	sendto_one_notice(source_p, ":/LIST aborted");
212380e3	118	safelist_client_release(source_p);
	119	return 0;
	120	}
	121
	122	if (parc < 2 \|\| !IsChannelName(parv[1]))
	123	{
	124	/* pace this due to the sheer traffic involved */
9f6bbe3c	125	if (((last_used + ConfigFileEntry.pace_wait) > rb_current_time()))
212380e3	126	{
	127	sendto_one(source_p, form_str(RPL_LOAD2HI), me.name, source_p->name, "LIST");
	128	sendto_one(source_p, form_str(RPL_LISTEND), me.name, source_p->name);
	129	return 0;
	130	}
	131	else
9f6bbe3c	132	last_used = rb_current_time();
212380e3	133	}
	134
	135	return mo_list(client_p, source_p, parc, parv);
	136	}
	137
	138	/* mo_list()
212380e3	139	* parv[1] = channel
	140	*/
	141	static int mo_list(struct Client client_p, struct Client source_p, int parc, const char *parv[])
	142	{
	143	struct ListClient params;
	144	char p, args;
	145	int i;
	146
	147	if (source_p->localClient->safelist_data != NULL)
	148	{
	149	sendto_one_notice(source_p, ":/LIST aborted");
212380e3	150	safelist_client_release(source_p);
	151	return 0;
	152	}
	153
6898ce9d JH	154	/* Let the user set it */
6898ce9d JH	155	params.users_min = ConfigFileEntry.hide_channel_below_users;
212380e3	156	params.users_max = INT_MAX;
e78f804d	157	params.operspy = 0;
212380e3	158
	159	if (parc > 1 && parv[1] != NULL && !IsChannelName(parv[1]))
	160	{
	161	args = LOCAL_COPY(parv[1]);
e78f804d JH	162
	163	/* Cancel out default minimum. */
	164	params.users_min = 0;
212380e3	165
	166	for (i = 0; i < 2; i++)
	167	{
	168	if ((p = strchr(args, ',')) != NULL)
	169	*p++ = '\0';
	170
	171	if (*args == '<')
	172	{
	173	args++;
	174	if (IsDigit(*args))
	175	{
	176	params.users_max = atoi(args);
	177	if (params.users_max == 0)
	178	params.users_max = INT_MAX;
	179	else
	180	params.users_max--;
	181	}
	182	else
	183	params.users_max = INT_MAX;
	184	}
	185	else if (*args == '>')
	186	{
	187	args++;
	188	if (IsDigit(*args))
	189	params.users_min = atoi(args) + 1;
	190	else
	191	params.users_min = 0;
	192	}
e78f804d JH	193	/* Only accept operspy as the first option. */
	194	else if (*args == '!' && IsOperSpy(source_p) && i == 0)
	195	{
	196	params.operspy = 1;
	197	report_operspy(source_p, "LIST", p);
	198	}
212380e3	199
	200	if (EmptyString(p))
	201	break;
	202	else
	203	args = p;
	204	}
	205	}
	206	else if (parc > 1 && IsChannelName(parv[1]))
	207	{
	208	safelist_channel_named(source_p, parv[1]);
	209	return 0;
	210	}
	211
	212	safelist_client_instantiate(source_p, &params);
	213
	214	return 0;
	215	}
	216
	217	/*
	218	* safelist_sendq_exceeded()
	219	*
	220	* inputs - pointer to client that needs checking
	221	* outputs - 1 if a client has exceeded the reserved
	222	* sendq limit, 0 if not
	223	* side effects - none
	224	*
	225	* When safelisting, we only use half of the SendQ at any
	226	* given time.
	227	*/
	228	static int safelist_sendq_exceeded(struct Client *client_p)
	229	{
03e24016	230	if (rb_linebuf_len(&client_p->localClient->buf_sendq) > (get_sendq(client_p) / 2))
212380e3	231	return YES;
	232	else
	233	return NO;
	234	}
	235
	236	/*
	237	* safelist_client_instantiate()
	238	*
	239	* inputs - pointer to Client to be listed,
	240	* struct ListClient to copy for params
	241	* outputs - none
	242	* side effects - the safelist process begins for a
	243	* client.
	244	*
	245	* Please do not ever call this on a non-local client.
	246	* If you do, you will get SIGSEGV.
	247	*/
	248	static void safelist_client_instantiate(struct Client client_p, struct ListClient params)
	249	{
	250	struct ListClient *self;
	251
	252	s_assert(MyClient(client_p));
	253	s_assert(params != NULL);
	254
8e43b0b4	255	self = rb_malloc(sizeof(struct ListClient));
212380e3	256
	257	self->hash_indice = 0;
	258	self->users_min = params->users_min;
	259	self->users_max = params->users_max;
e78f804d	260	self->operspy = params->operspy;
212380e3	261
	262	client_p->localClient->safelist_data = self;
	263
	264	sendto_one(client_p, form_str(RPL_LISTSTART), me.name, client_p->name);
	265
	266	/* pop the client onto the queue for processing */
03e24016	267	rb_dlinkAddAlloc(client_p, &safelisting_clients);
212380e3	268
	269	/* give the user some initial data to work with */
	270	safelist_iterate_client(client_p);
	271	}
	272
	273	/*
	274	* safelist_client_release()
	275	*
	276	* inputs - pointer to Client being listed on
	277	* outputs - none
	278	* side effects - the client is no longer being
	279	* listed
	280	*
	281	* Please do not ever call this on a non-local client.
	282	* If you do, you will get SIGSEGV.
	283	*/
	284	static void safelist_client_release(struct Client *client_p)
	285	{
	286	s_assert(MyClient(client_p));
	287
9f6c3353	288	rb_dlinkFindDestroy(client_p, &safelisting_clients);
212380e3	289
90a3c35b	290	rb_free(client_p->localClient->safelist_data);
212380e3	291
	292	client_p->localClient->safelist_data = NULL;
	293
	294	sendto_one(client_p, form_str(RPL_LISTEND), me.name, client_p->name);
	295	}
	296
	297	/*
	298	* safelist_channel_named()
	299	*
	300	* inputs - client pointer, channel name
	301	* outputs - none
	302	* side effects - a named channel is listed
	303	*/
	304	static void safelist_channel_named(struct Client source_p, const char name)
	305	{
	306	struct Channel *chptr;
	307	char *p;
	308	char *n = LOCAL_COPY(name);
	309
	310	sendto_one(source_p, form_str(RPL_LISTSTART), me.name, source_p->name);
	311
	312	if ((p = strchr(n, ',')))
	313	*p = '\0';
	314
	315	if (*n == '\0')
	316	{
	317	sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), name);
	318	sendto_one(source_p, form_str(RPL_LISTEND), me.name, source_p->name);
	319	return;
	320	}
	321
	322	chptr = find_channel(n);
	323
	324	if (chptr == NULL)
	325	{
	326	sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), n);
	327	sendto_one(source_p, form_str(RPL_LISTEND), me.name, source_p->name);
	328	return;
	329	}
	330
97a6160b	331	if (!SecretChannel(chptr) \|\| IsMember(source_p, chptr))
e78f804d JH	332	sendto_one(source_p, form_str(RPL_LIST), me.name, source_p->name, "",
e78f804d JH	333	chptr->chname, rb_dlink_list_length(&chptr->members),
212380e3	334	chptr->topic == NULL ? "" : chptr->topic);
	335
	336	sendto_one(source_p, form_str(RPL_LISTEND), me.name, source_p->name);
	337	return;
	338	}
	339
	340	/*
	341	* safelist_one_channel()
	342	*
	343	* inputs - client pointer and channel pointer
	344	* outputs - none
	345	* side effects - a channel is listed if it meets the
	346	* requirements
	347	*/
	348	static void safelist_one_channel(struct Client source_p, struct Channel chptr)
	349	{
	350	struct ListClient *safelist_data = source_p->localClient->safelist_data;
	351
e78f804d	352	if (SecretChannel(chptr) && !IsMember(source_p, chptr) && !safelist_data->operspy)
212380e3	353	return;
	354
	355	if ((unsigned int)chptr->members.length < safelist_data->users_min
	356	\|\| (unsigned int)chptr->members.length > safelist_data->users_max)
	357	return;
	358
e78f804d JH	359	sendto_one(source_p, form_str(RPL_LIST), me.name, source_p->name,
	360	(safelist_data->operspy && SecretChannel(chptr)) ? "!" : "",
	361	chptr->chname, rb_dlink_list_length(&chptr->members),
	362	chptr->topic == NULL ? "" : chptr->topic);
212380e3	363	}
	364
	365	/*
	366	* safelist_iterate_client()
	367	*
	368	* inputs - client pointer
	369	* outputs - none
	370	* side effects - the client's sendq is filled up again
	371	*/
	372	static void safelist_iterate_client(struct Client *source_p)
	373	{
08d11e34	374	rb_dlink_node *ptr;
212380e3	375	int iter;
	376
	377	for (iter = source_p->localClient->safelist_data->hash_indice; iter < CH_MAX; iter++)
	378	{
	379	if (safelist_sendq_exceeded(source_p->from) == YES)
	380	{
	381	source_p->localClient->safelist_data->hash_indice = iter;
	382	return;
	383	}
	384
08d11e34	385	RB_DLINK_FOREACH(ptr, channelTable[iter].head)
212380e3	386	safelist_one_channel(source_p, (struct Channel *) ptr->data);
	387	}
	388
	389	safelist_client_release(source_p);
	390	}
	391
	392	static void safelist_iterate_clients(void *unused)
	393	{
08d11e34	394	rb_dlink_node n, n2;
212380e3	395
08d11e34	396	RB_DLINK_FOREACH_SAFE(n, n2, safelisting_clients.head)
212380e3	397	safelist_iterate_client((struct Client *)n->data);
212380e3	398	}