122 lines
3.2 KiB
C
122 lines
3.2 KiB
C
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/*
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* ircd-ratbox: A slightly useful ircd.
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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) 1990 Jarkko Oikarinen and University of Oulu, Co Center
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* Copyright (C) 1996-2002 Hybrid Development Team
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* Copyright (C) 2002-2012 ircd-ratbox development team
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
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* USA
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*
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* $Id: m_ison.c 27371 2012-03-16 05:33:15Z dubkat $
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*/
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#include "stdinc.h"
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#include "struct.h"
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#include "match.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 "parse.h"
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#include "modules.h"
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#include "hash.h"
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#include <string.h>
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static int m_ison(struct Client *, struct Client *, int, const char **);
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struct Message ison_msgtab = {
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"ISON", 0, 0, 0, MFLG_SLOW,
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{mg_unreg, {m_ison, 2}, mg_ignore, mg_ignore, mg_ignore, {m_ison, 2}}
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};
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mapi_clist_av1 ison_clist[] = { &ison_msgtab, NULL };
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DECLARE_MODULE_AV1(ison, NULL, NULL, ison_clist, NULL, NULL, "$Revision: 27371 $");
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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 int
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m_ison(struct Client *client_p, struct Client *source_p, int parc, const 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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current_insert_point2 = buf2;
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*buf2 = '\0';
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rb_sprintf(buf, form_str(RPL_ISON), me.name, source_p->name);
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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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char *cs = LOCAL_COPY(parv[i]);
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for(nick = rb_strtok_r(cs, " ", &p); nick; nick = rb_strtok_r(NULL, " ", &p))
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{
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target_p = find_named_client(nick);
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if(target_p != NULL)
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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(current_insert_point, 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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}
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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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sendto_one_buffer(source_p, buf);
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return 0;
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}
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