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/*
* ircd-ratbox: A slightly useful ircd.
* m_names.c: Shows the users who are online.
*
* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
* Copyright (C) 1996-2002 Hybrid Development Team
* Copyright (C) 2002-2005 ircd-ratbox development team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
* USA
*
* $Id: m_names.c 26094 2008-09-19 15:33:46Z androsyn $
*/
#include "stdinc.h"
#include "struct.h"
#include "channel.h"
#include "client.h"
#include "hash.h"
#include "match.h"
#include "ircd.h"
#include "numeric.h"
#include "send.h"
#include "s_conf.h"
#include "parse.h"
#include "modules.h"
static int m_names(struct Client *, struct Client *, int, const char **);
struct Message names_msgtab = {
"NAMES", 0, 0, 0, MFLG_SLOW,
{mg_unreg, {m_names, 0}, mg_ignore, mg_ignore, mg_ignore, {m_names, 0}}
};
mapi_clist_av1 names_clist[] = { &names_msgtab, NULL };
DECLARE_MODULE_AV1(names, NULL, NULL, names_clist, NULL, NULL, "$Revision: 26094 $");
static void names_global(struct Client *source_p);
/************************************************************************
* m_names() - Added by Jto 27 Apr 1989
************************************************************************/
/*
* m_names
* parv[0] = sender prefix
* parv[1] = channel
*/
static int
m_names(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
static time_t last_used = 0;
struct Channel *chptr = NULL;
char *s;
if(parc > 1 && !EmptyString(parv[1]))
{
char *p = LOCAL_COPY(parv[1]);
if((s = strchr(p, ',')))
*s = '\0';
if(!check_channel_name(p))
{
sendto_one_numeric(source_p, ERR_BADCHANNAME,
form_str(ERR_BADCHANNAME), (unsigned char *)p);
return 0;
}
if((chptr = find_channel(p)) != NULL)
channel_member_names(chptr, source_p, 1);
else
sendto_one(source_p, form_str(RPL_ENDOFNAMES), me.name, source_p->name, p);
}
else
{
if(!IsOper(source_p))
{
if((last_used + ConfigFileEntry.pace_wait) > rb_current_time())
{
sendto_one(source_p, form_str(RPL_LOAD2HI),
me.name, source_p->name, "NAMES");
sendto_one(source_p, form_str(RPL_ENDOFNAMES),
me.name, source_p->name, "*");
return 0;
}
else
last_used = rb_current_time();
}
names_global(source_p);
sendto_one(source_p, form_str(RPL_ENDOFNAMES), me.name, source_p->name, "*");
}
return 0;
}
/*
* names_global
*
* inputs - pointer to client struct requesting names
* output - none
* side effects - lists all non public non secret channels
*/
static void
names_global(struct Client *source_p)
{
int mlen;
int tlen;
int cur_len;
int dont_show = NO;
rb_dlink_node *lp, *ptr;
struct Client *target_p;
struct Channel *chptr = NULL;
struct membership *msptr;
char buf[BUFSIZE];
char *t;
/* first do all visible channels */
RB_DLINK_FOREACH(ptr, global_channel_list.head)
{
chptr = ptr->data;
channel_member_names(chptr, source_p, 0);
}
cur_len = mlen = rb_sprintf(buf, form_str(RPL_NAMREPLY), me.name, source_p->name, "*", "*");
t = buf + mlen;
/* Second, do all clients in one big sweep */
RB_DLINK_FOREACH(ptr, global_client_list.head)
{
target_p = ptr->data;
dont_show = NO;
if(!IsClient(target_p) || IsInvisible(target_p))
continue;
/* we want to show -i clients that are either:
* a) not on any channels
* b) only on +p channels
*
* both were missed out above. if the target is on a
* common channel with source, its already been shown.
*/
RB_DLINK_FOREACH(lp, target_p->user->channel.head)
{
msptr = lp->data;
chptr = msptr->chptr;
if(PubChannel(chptr) || IsMember(source_p, chptr) || SecretChannel(chptr))
{
dont_show = YES;
break;
}
}
if(dont_show)
continue;
if((cur_len + NICKLEN + 2) > (BUFSIZE - 3))
{
sendto_one_buffer(source_p, buf);
cur_len = mlen;
t = buf + mlen;
}
tlen = rb_sprintf(t, "%s ", target_p->name);
cur_len += tlen;
t += tlen;
}
if(cur_len > mlen)
sendto_one_buffer(source_p, buf);
}
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