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NeoStats-NeoIRCd/modules/m_ison.c
fishwaldo 580ea66a45 Wow. HUGE update. Update all headers to reflect NeoIRCD. aliases for services implemented
config file parsing updated, and modified example.conf to be compatible.
2002-09-13 06:50:09 +00:00

192 lines
5.1 KiB
C

/*
* NeoIRCd: NeoStats Group. Based on Hybird7
* m_ison.c: Provides a single line answer of whether a user is online.
*
* Copyright (C) 2002 by the past and present ircd coders, and others.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
* $Id: m_ison.c,v 1.3 2002/09/13 06:50:06 fishwaldo Exp $
*/
#include "stdinc.h"
#include "handlers.h"
#include "client.h"
#include "irc_string.h"
#include "ircd.h"
#include "numeric.h"
#include "send.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include "s_conf.h" /* ConfigFileEntry */
#include "s_serv.h" /* uplink/IsCapable */
#include <string.h>
static int do_ison(struct Client *up, struct Client *source_p,
int parc, char *parv[]);
static void m_ison(struct Client*, struct Client*, int, char**);
static void ms_ison(struct Client*, struct Client*, int, char**);
struct Message ison_msgtab = {
"ISON", 0, 0, 1, 1, MFLG_SLOW, 0,
{m_unregistered, m_ison, ms_ison, m_ison}
};
#ifndef STATIC_MODULES
void
_modinit(void)
{
mod_add_cmd(&ison_msgtab);
}
void
_moddeinit(void)
{
mod_del_cmd(&ison_msgtab);
}
const char *_version = "$Revision: 1.3 $";
#endif
static char buf[BUFSIZE];
static char buf2[BUFSIZE];
/*
* m_ison added by Darren Reed 13/8/91 to act as an efficent user indicator
* with respect to cpu/bandwidth used. Implemented for NOTIFY feature in
* clients. Designed to reduce number of whois requests. Can process
* nicknames in batches as long as the maximum buffer length.
*
* format:
* ISON :nicklist
*/
static void m_ison(struct Client *client_p, struct Client *source_p,
int parc, char *parv[])
{
struct Client *up = NULL;
if (!ServerInfo.hub && uplink && IsCapable(uplink, CAP_LL))
up = uplink;
do_ison(up, source_p, parc, parv);
}
/*
* ms_ison added by David Taylor 04/01/2000 to handle relayed ISON requests.
* It's slightly less bandwidth efficient than a normal ISON, but it's
* only ever going to get relayed over one link...
* Plus, we'll only ever relay each nick once in it's lifetime, if it
* exists...
* ISON :nicklist
*/
static void ms_ison(struct Client *client_p, struct Client *source_p,
int parc, char *parv[])
{
if (ServerInfo.hub && IsCapable(client_p, CAP_LL))
do_ison(NULL, source_p, parc, parv);
}
static int do_ison(struct Client *up, struct Client *source_p,
int parc, char *parv[])
{
struct Client *target_p;
char *nick;
char *p;
char *current_insert_point, *current_insert_point2;
int len;
int i;
int done = 0;
int relay_to_hub = 0;
current_insert_point2 = buf2;
*buf2 = '\0';
ircsprintf(buf, form_str(RPL_ISON), me.name, parv[0]);
len = strlen(buf);
current_insert_point = buf + len;
/* rfc1489 is ambigious about how to handle ISON
* this should handle both interpretations.
*/
for (i = 1; i < parc; i++)
{
for (nick = strtoken(&p, parv[i], " "); nick;
nick = strtoken(&p, NULL, " "))
{
if ((target_p = find_person(nick)))
{
len = strlen(target_p->name);
if( (current_insert_point + (len + 5)) < (buf + sizeof(buf)) )
{
memcpy((void *)current_insert_point,
(void *)target_p->name, len);
current_insert_point += len;
*current_insert_point++ = ' ';
}
else
{
done = 1;
break;
}
}
if (up)
{
/* Build up a single list, for use if we relay.. */
len = strlen(nick);
if((current_insert_point2 + len + 5) < (buf2 + sizeof(buf2)))
{
memcpy((void *)current_insert_point2,
(void *)nick, len);
current_insert_point2 += len;
*current_insert_point2++ = ' ';
}
if (!target_p)
{
/*
* XXX Ick. we need to ask our hub if nick is online.
* it's probably safest to relay the whole command,
* unless we can answer it fully ourselves.
* -davidt
*/
relay_to_hub = 1;
/* Also cache info about nick */
sendto_one(up, ":%s NBURST %s", me.name, nick);
}
}
}
if(done)
break;
}
/* current_insert_point--;
* Do NOT take out the trailing space, it breaks ircII
* --Rodder */
*current_insert_point = '\0';
*current_insert_point2 = '\0';
if (relay_to_hub)
sendto_one(up, ":%s ISON :%s", source_p->name, buf2);
else
sendto_one(source_p, "%s", buf);
return 0;
}