modules/m_motd.c

   1 /*
   2  *  ircd-ratbox: A slightly useful ircd.
   3  *  m_motd.c: Shows the current message of the day.
   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  *  $Id: m_motd.c 254 2005-09-21 23:35:12Z nenolod $
  25  */
  26
  27 #include "stdinc.h"
  28 #include "client.h"
  29 #include "ircd.h"
  30 #include "send.h"
  31 #include "numeric.h"
  32 #include "hook.h"
  33 #include "msg.h"
  34 #include "s_serv.h"             /* hunt_server */
  35 #include "parse.h"
  36 #include "modules.h"
  37 #include "s_conf.h"
  38 #include "cache.h"
  39 #include "ratelimit.h"
  40
  41 static int m_motd(struct Client *, struct Client *, int, const char **);
  42 static int mo_motd(struct Client *, struct Client *, int, const char **);
  43
  44 struct Message motd_msgtab = {
  45         "MOTD", 0, 0, 0, MFLG_SLOW,
  46         {mg_unreg, {m_motd, 0}, {mo_motd, 0}, mg_ignore, mg_ignore, {mo_motd, 0}}
  47 };
  48
  49 int doing_motd_hook;
  50
  51 mapi_clist_av1 motd_clist[] = { &motd_msgtab, NULL };
  52 mapi_hlist_av1 motd_hlist[] = {
  53         { "doing_motd", &doing_motd_hook },
  54         { NULL, NULL }
  55 };
  56
  57 DECLARE_MODULE_AV1(motd, NULL, NULL, motd_clist, motd_hlist, NULL, "$Revision: 254 $");
  58
  59 static void motd_spy(struct Client *);
  60
  61 /*
  62 ** m_motd
  63 **      parv[1] = servername
  64 */
  65 static int
  66 m_motd(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
  67 {
  68         static time_t last_used = 0;
  69
  70         if((last_used + ConfigFileEntry.pace_wait) > rb_current_time() || !ratelimit_client(source_p, 6))
  71         {
  72                 /* safe enough to give this on a local connect only */
  73                 sendto_one(source_p, form_str(RPL_LOAD2HI),
  74                            me.name, source_p->name, "MOTD");
  75                 sendto_one(source_p, form_str(RPL_ENDOFMOTD),
  76                            me.name, source_p->name);
  77                 return 0;
  78         }
  79         else
  80                 last_used = rb_current_time();
  81
  82         if(hunt_server(client_p, source_p, ":%s MOTD :%s", 1, parc, parv) != HUNTED_ISME)
  83                 return 0;
  84
  85         motd_spy(source_p);
  86         send_user_motd(source_p);
  87
  88         return 0;
  89 }
  90
  91 /*
  92 ** mo_motd
  93 **      parv[1] = servername
  94 */
  95 static int
  96 mo_motd(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
  97 {
  98         if(hunt_server(client_p, source_p, ":%s MOTD :%s", 1, parc, parv) != HUNTED_ISME)
  99                 return 0;
 100
 101         motd_spy(source_p);
 102         send_user_motd(source_p);
 103
 104         return 0;
 105 }
 106
 107 /* motd_spy()
 108  *
 109  * input        - pointer to client
 110  * output       - none
 111  * side effects - hook doing_motd is called
 112  */
 113 static void
 114 motd_spy(struct Client *source_p)
 115 {
 116         hook_data data;
 117
 118         data.client = source_p;
 119         data.arg1 = data.arg2 = NULL;
 120
 121         call_hook(doing_motd_hook, &data);
 122 }