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 #include "stdinc.h"
  26 #include "client.h"
  27 #include "ircd.h"
  28 #include "match.h"
  29 #include "numeric.h"
  30 #include "logger.h"
  31 #include "s_conf.h"
  32 #include "send.h"
  33 #include "msg.h"
  34 #include "parse.h"
  35 #include "modules.h"
  36 #include "s_newconf.h"
  37 #include "hash.h"
  38
  39 static int mo_die(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
  40 static int me_die(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
  41 static int do_die(struct Client *, const char *);
  42
  43 static struct Message die_msgtab = {
  44         "DIE", 0, 0, 0, 0,
  45         {mg_unreg, mg_not_oper, mg_ignore, mg_ignore, {me_die, 1}, {mo_die, 0}}
  46 };
  47
  48 mapi_clist_av1 die_clist[] = { &die_msgtab, NULL };
  49
  50 DECLARE_MODULE_AV2(die, NULL, NULL, die_clist, NULL, NULL, NULL, NULL, NULL);
  51
  52 /*
  53  * mo_die - DIE command handler
  54  */
  55 static int
  56 mo_die(struct MsgBuf *msgbuf_p __unused, struct Client *client_p __unused, struct Client *source_p, int parc, const char *parv[])
  57 {
  58         if(!IsOperDie(source_p))
  59         {
  60                 sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "die");
  61                 return 0;
  62         }
  63
  64         if(parc < 2 || EmptyString(parv[1]))
  65         {
  66                 sendto_one_notice(source_p, ":Need server name /die %s", me.name);
  67                 return 0;
  68         }
  69
  70         if(parc > 2)
  71         {
  72                 /* Remote die. Pass it along. */
  73                 struct Client *server_p = find_server(NULL, parv[2]);
  74                 if (!server_p)
  75                 {
  76                         sendto_one_numeric(source_p, ERR_NOSUCHSERVER, form_str(ERR_NOSUCHSERVER), parv[2]);
  77                         return 0;
  78                 }
  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 MsgBuf *msgbuf_p __unused, 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         if(irccmp(servername, me.name))
 107         {
 108                 sendto_one_notice(source_p, ":Mismatch on /die %s", me.name);
 109                 return 0;
 110         }
 111
 112         ircd_shutdown(get_client_name(source_p, HIDE_IP));
 113
 114         return 0;
 115 }