modules/core/m_error.c

   1 /*
   2  *  ircd-ratbox: A slightly useful ircd.
   3  *  m_error.c: Handles error messages from the other end.
   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_error.c 21510 2005-12-19 18:57:37Z leeh $
  25  */
  26
  27 #include "stdinc.h"
  28 #include "client.h"
  29 #include "common.h"             /* FALSE */
  30 #include "ircd.h"
  31 #include "numeric.h"
  32 #include "send.h"
  33 #include "msg.h"
  34 #include "memory.h"
  35 #include "modules.h"
  36 #include "s_log.h"
  37 #include "s_conf.h"
  38
  39 static int m_error(struct Client *, struct Client *, int, const char **);
  40 static int ms_error(struct Client *, struct Client *, int, const char **);
  41
  42 struct Message error_msgtab = {
  43         "ERROR", 0, 0, 0, MFLG_SLOW | MFLG_UNREG,
  44         {{m_error, 0}, mg_ignore, mg_ignore, {ms_error, 0}, mg_ignore, mg_ignore}
  45 };
  46
  47 mapi_clist_av1 error_clist[] = {
  48         &error_msgtab, NULL
  49 };
  50
  51 DECLARE_MODULE_AV1(error, NULL, NULL, error_clist, NULL, NULL, "$Revision: 21510 $");
  52
  53
  54 /*
  55  * Note: At least at protocol level ERROR has only one parameter,
  56  * although this is called internally from other functions
  57  * --msa
  58  *
  59  *      parv[0] = sender prefix
  60  *      parv[*] = parameters
  61  */
  62 int
  63 m_error(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
  64 {
  65         const char *para;
  66
  67         para = (parc > 1 && *parv[1] != '\0') ? parv[1] : "<>";
  68
  69         ilog(L_SERVER, "Received ERROR message from %s: %s",
  70                 source_p->sockhost, para);
  71
  72         if(IsAnyServer(client_p) && ConfigFileEntry.hide_error_messages < 2)
  73         {
  74                 sendto_realops_flags(UMODE_ALL, L_ADMIN,
  75                                 "ERROR :from %s[@255.255.255.255] -- %s",
  76                                 EmptyString(client_p->name) ? "" : client_p->name, para);
  77
  78                 if(!ConfigFileEntry.hide_error_messages)
  79                         sendto_realops_flags(UMODE_ALL, L_OPER,
  80                                         "ERROR :from %s[@255.255.255.255] -- %s",
  81                                         EmptyString(client_p->name) ? "" : client_p->name, para);
  82         }
  83
  84         exit_client(client_p, source_p, source_p, "ERROR");
  85
  86         return 0;
  87 }
  88
  89 static int
  90 ms_error(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
  91 {
  92         const char *para;
  93
  94         para = (parc > 1 && *parv[1] != '\0') ? parv[1] : "<>";
  95
  96         ilog(L_SERVER, "Received ERROR message from %s: %s",
  97              log_client_name(source_p, SHOW_IP), para);
  98
  99         if(ConfigFileEntry.hide_error_messages == 2)
 100                 return 0;
 101
 102         if(client_p == source_p)
 103         {
 104                 sendto_realops_flags(UMODE_ALL, L_ADMIN, "ERROR :from %s -- %s",
 105                                         client_p->name, para);
 106
 107                 if(!ConfigFileEntry.hide_error_messages)
 108                         sendto_realops_flags(UMODE_ALL, L_OPER,
 109                                         "ERROR :from %s -- %s",
 110                                         client_p->name, para);
 111         }
 112         else
 113         {
 114                 sendto_realops_flags(UMODE_ALL, L_ADMIN, "ERROR :from %s via %s -- %s",
 115                                 source_p->name, client_p->name, para);
 116
 117                 if(!ConfigFileEntry.hide_error_messages)
 118                         sendto_realops_flags(UMODE_ALL, L_OPER,
 119                                         "ERROR :from %s via %s -- %s",
 120                                         source_p->name, client_p->name, para);
 121         }
 122
 123         return 0;
 124 }