modules/m_lusers.c

   1 /*
   2  *  ircd-ratbox: A slightly useful ircd.
   3  *  m_lusers.c: Sends user statistics.
   4  *
   5  *  Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
   6  *  Copyright (C) 1996-2002 Hybrid Development Team
   7  *  Copyright (C) 2002-2005 ircd-ratbox development team
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 2 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, write to the Free Software
  21  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
  22  *  USA
  23  */
  24
  25 #include "stdinc.h"
  26 #include "client.h"
  27 #include "ircd.h"
  28 #include "numeric.h"
  29 #include "s_serv.h"             /* hunt_server */
  30 #include "s_user.h"             /* show_lusers */
  31 #include "send.h"
  32 #include "s_conf.h"
  33 #include "msg.h"
  34 #include "parse.h"
  35 #include "modules.h"
  36
  37 static int m_lusers(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
  38 static int ms_lusers(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
  39
  40 struct Message lusers_msgtab = {
  41         "LUSERS", 0, 0, 0, 0,
  42         {mg_unreg, {m_lusers, 0}, {ms_lusers, 0}, mg_ignore, mg_ignore, {ms_lusers, 0}}
  43 };
  44
  45 mapi_clist_av1 lusers_clist[] = { &lusers_msgtab, NULL };
  46
  47 static const char lusers_desc[] =
  48         "Provides the LUSERS command to view the number of current and maximum lusers on a server";
  49
  50 DECLARE_MODULE_AV2(lusers, NULL, NULL, lusers_clist, NULL, NULL, NULL, NULL, lusers_desc);
  51
  52 /*
  53  * m_lusers - LUSERS message handler
  54  * parv[1] = host/server mask.
  55  * parv[2] = server to query
  56  *
  57  * 19970918 JRL hacked to ignore parv[1] completely and require parc > 3
  58  * to cause a force
  59  */
  60 static int
  61 m_lusers(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
  62 {
  63         static time_t last_used = 0;
  64
  65         if (parc > 2)
  66         {
  67                 if((last_used + ConfigFileEntry.pace_wait) > rb_current_time())
  68                 {
  69                         /* safe enough to give this on a local connect only */
  70                         sendto_one(source_p, form_str(RPL_LOAD2HI),
  71                                    me.name, source_p->name, "LUSERS");
  72                         return 0;
  73                 }
  74                 else
  75                         last_used = rb_current_time();
  76
  77                 if(hunt_server(client_p, source_p, ":%s LUSERS %s :%s", 2, parc, parv) !=
  78                            HUNTED_ISME)
  79                         return 0;
  80         }
  81
  82         show_lusers(source_p);
  83
  84         return 0;
  85 }
  86
  87 /*
  88  * ms_lusers - LUSERS message handler for servers and opers
  89  * parv[1] = host/server mask.
  90  * parv[2] = server to query
  91  *
  92  * 199970918 JRL hacked to ignore parv[1] completely and require parc > 3
  93  * to cause a force
  94  */
  95 static int
  96 ms_lusers(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
  97 {
  98         if(parc > 2)
  99         {
 100                 if(hunt_server(client_p, source_p, ":%s LUSERS %s :%s", 2, parc, parv)
 101                    != HUNTED_ISME)
 102                         return 0;
 103         }
 104
 105         show_lusers(source_p);
 106
 107         return 0;
 108 }