2002-08-13 14:34:25 +00:00
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/*
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2002-09-13 06:50:09 +00:00
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* NeoIRCd: NeoStats Group. Based on Hybird7
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2002-08-13 14:34:25 +00:00
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* m_ison.c: Provides a single line answer of whether a user is online.
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*
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* Copyright (C) 2002 by the past and present ircd coders, and others.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*
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2002-09-13 06:50:09 +00:00
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* $Id: m_ison.c,v 1.3 2002/09/13 06:50:06 fishwaldo Exp $
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2002-08-13 14:34:25 +00:00
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*/
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#include "stdinc.h"
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#include "handlers.h"
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#include "client.h"
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#include "irc_string.h"
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#include "ircd.h"
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#include "numeric.h"
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#include "send.h"
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#include "msg.h"
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#include "parse.h"
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#include "modules.h"
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#include "s_conf.h" /* ConfigFileEntry */
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#include "s_serv.h" /* uplink/IsCapable */
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#include <string.h>
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static int do_ison(struct Client *up, struct Client *source_p,
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int parc, char *parv[]);
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static void m_ison(struct Client*, struct Client*, int, char**);
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static void ms_ison(struct Client*, struct Client*, int, char**);
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struct Message ison_msgtab = {
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"ISON", 0, 0, 1, 1, MFLG_SLOW, 0,
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{m_unregistered, m_ison, ms_ison, m_ison}
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};
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#ifndef STATIC_MODULES
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void
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_modinit(void)
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{
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mod_add_cmd(&ison_msgtab);
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}
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void
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_moddeinit(void)
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{
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mod_del_cmd(&ison_msgtab);
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}
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2002-09-13 06:50:09 +00:00
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const char *_version = "$Revision: 1.3 $";
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2002-08-13 14:34:25 +00:00
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#endif
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static char buf[BUFSIZE];
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static char buf2[BUFSIZE];
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/*
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* m_ison added by Darren Reed 13/8/91 to act as an efficent user indicator
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* with respect to cpu/bandwidth used. Implemented for NOTIFY feature in
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* clients. Designed to reduce number of whois requests. Can process
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* nicknames in batches as long as the maximum buffer length.
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*
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* format:
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* ISON :nicklist
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*/
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static void m_ison(struct Client *client_p, struct Client *source_p,
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int parc, char *parv[])
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{
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struct Client *up = NULL;
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if (!ServerInfo.hub && uplink && IsCapable(uplink, CAP_LL))
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up = uplink;
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do_ison(up, source_p, parc, parv);
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}
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/*
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* ms_ison added by David Taylor 04/01/2000 to handle relayed ISON requests.
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* It's slightly less bandwidth efficient than a normal ISON, but it's
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* only ever going to get relayed over one link...
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* Plus, we'll only ever relay each nick once in it's lifetime, if it
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* exists...
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* ISON :nicklist
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*/
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static void ms_ison(struct Client *client_p, struct Client *source_p,
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int parc, char *parv[])
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{
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if (ServerInfo.hub && IsCapable(client_p, CAP_LL))
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do_ison(NULL, source_p, parc, parv);
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}
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static int do_ison(struct Client *up, struct Client *source_p,
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int parc, char *parv[])
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{
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struct Client *target_p;
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char *nick;
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char *p;
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char *current_insert_point, *current_insert_point2;
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int len;
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int i;
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int done = 0;
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int relay_to_hub = 0;
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current_insert_point2 = buf2;
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*buf2 = '\0';
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ircsprintf(buf, form_str(RPL_ISON), me.name, parv[0]);
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len = strlen(buf);
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current_insert_point = buf + len;
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/* rfc1489 is ambigious about how to handle ISON
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* this should handle both interpretations.
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*/
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for (i = 1; i < parc; i++)
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{
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for (nick = strtoken(&p, parv[i], " "); nick;
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nick = strtoken(&p, NULL, " "))
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{
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if ((target_p = find_person(nick)))
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{
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len = strlen(target_p->name);
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if( (current_insert_point + (len + 5)) < (buf + sizeof(buf)) )
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{
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memcpy((void *)current_insert_point,
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(void *)target_p->name, len);
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current_insert_point += len;
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*current_insert_point++ = ' ';
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}
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else
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{
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done = 1;
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break;
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}
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}
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if (up)
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{
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/* Build up a single list, for use if we relay.. */
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len = strlen(nick);
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if((current_insert_point2 + len + 5) < (buf2 + sizeof(buf2)))
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{
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memcpy((void *)current_insert_point2,
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(void *)nick, len);
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current_insert_point2 += len;
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*current_insert_point2++ = ' ';
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}
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if (!target_p)
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{
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/*
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* XXX Ick. we need to ask our hub if nick is online.
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* it's probably safest to relay the whole command,
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* unless we can answer it fully ourselves.
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* -davidt
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*/
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relay_to_hub = 1;
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/* Also cache info about nick */
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sendto_one(up, ":%s NBURST %s", me.name, nick);
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}
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}
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}
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if(done)
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break;
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}
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/* current_insert_point--;
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* Do NOT take out the trailing space, it breaks ircII
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* --Rodder */
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*current_insert_point = '\0';
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*current_insert_point2 = '\0';
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if (relay_to_hub)
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sendto_one(up, ":%s ISON :%s", source_p->name, buf2);
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else
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sendto_one(source_p, "%s", buf);
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return 0;
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}
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