modules/core/m_die.c

   1 /*
   2  *  ircd-ratbox: A slightly useful ircd.
   3  *  m_die.c: Kills off this server.
   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
  26 #include "stdinc.h"
  27 #include "client.h"
  28 #include "ircd.h"
  29 #include "match.h"
  30 #include "numeric.h"
  31 #include "logger.h"
  32 #include "s_conf.h"
  33 #include "send.h"
  34 #include "msg.h"
  35 #include "parse.h"
  36 #include "modules.h"
  37 #include "s_newconf.h"
  38 #include "hash.h"
  39
  40 static int mo_die(struct Client *, struct Client *, int, const char **);
  41 static int me_die(struct Client *, struct Client *, int, const char **);
  42 static int do_die(struct Client *, const char *);
  43
  44 static struct Message die_msgtab = {
  45         "DIE", 0, 0, 0, MFLG_SLOW,
  46         {mg_unreg, mg_not_oper, mg_ignore, mg_ignore, {me_die, 1}, {mo_die, 0}}
  47 };
  48
  49 mapi_clist_av1 die_clist[] = { &die_msgtab, NULL };
  50
  51 DECLARE_MODULE_AV1(die, NULL, NULL, die_clist, NULL, NULL, "$Revision: 3295 $");
  52
  53 /*
  54  * mo_die - DIE command handler
  55  */
  56 static int
  57 mo_die(struct Client *client_p __unused, struct Client *source_p, int parc, const char *parv[])
  58 {
  59         if(!IsOperDie(source_p))
  60         {
  61                 sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "die");
  62                 return 0;
  63         }
  64
  65         if(parc < 2 || EmptyString(parv[1]))
  66         {
  67                 sendto_one_notice(source_p, ":Need server name /die %s", me.name);
  68                 return 0;
  69         }
  70
  71         if(parc > 2)
  72         {
  73                 /* Remote die. Pass it along. */
  74                 struct Client *server_p = find_server(NULL, parv[2]);
  75                 if (!server_p)
  76                 {
  77                         sendto_one_numeric(source_p, ERR_NOSUCHSERVER, form_str(ERR_NOSUCHSERVER), parv[2]);
  78                         return 0;
  79                 }
  80                 if (!IsMe(server_p))
  81                 {
  82                         sendto_one(server_p, ":%s ENCAP %s DIE %s", source_p->name, parv[2], parv[1]);
  83                         return 0;
  84                 }
  85         }
  86
  87         return do_die(source_p, parv[1]);
  88 }
  89
  90 static int
  91 me_die(struct Client *client_p __unused, struct Client *source_p, int parc, const char *parv[])
  92 {
  93         if(!find_shared_conf(source_p->username, source_p->host, source_p->servptr->name, SHARED_DIE))
  94         {
  95                 sendto_one_notice(source_p, ":*** You do not have an appropriate shared block to "
  96                                 "remotely shut down this server.");
  97                 return 0;
  98         }
  99
 100         return do_die(source_p, parv[1]);
 101 }
 102
 103 static int
 104 do_die(struct Client *source_p, const char *servername)
 105 {
 106         /* this makes sure both servernames match otherwise weirdness will occur */
 107         if(irccmp(servername, me.name))
 108         {
 109                 sendto_one_notice(source_p, ":Mismatch on /die %s", me.name);
 110                 return 0;
 111         }
 112
 113         ircd_shutdown(get_client_name(source_p, HIDE_IP));
 114
 115         return 0;
 116 }