include/whowas.h

   1 /*
   2  *  ircd-ratbox: A slightly useful ircd.
   3  *  whowas.h: Header for the whowas functions.
   4  *
   5  *  Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
   6  *  Copyright (C) 1996-2002 Hybrid Development Team
   7  *  Copyright (C) 2002-2004 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: whowas.h 1717 2006-07-04 14:41:11Z jilles $
  25  */
  26 #ifndef INCLUDED_whowas_h
  27 #define INCLUDED_whowas_h
  28
  29 #include "ircd_defs.h"
  30 #include "client.h"
  31
  32 #include "setup.h"
  33
  34 struct User;
  35 struct Client;
  36
  37 /*
  38   lets speed this up...
  39   also removed away information. *tough*
  40   - Dianora
  41  */
  42 struct Whowas
  43 {
  44         struct whowas_top *wtop;
  45         rb_dlink_node wnode;            /* for the wtop linked list */
  46         rb_dlink_node cnode;            /* node for online clients */
  47         rb_dlink_node whowas_node;      /* node for the whowas linked list */
  48         char name[NICKLEN + 1];
  49         char username[USERLEN + 1];
  50         char hostname[HOSTLEN + 1];
  51         char sockhost[HOSTIPLEN + 1];
  52         char realname[REALLEN + 1];
  53         char suser[NICKLEN + 1];
  54         unsigned char flags;
  55         const char *servername;
  56         time_t logoff;
  57         struct Client *online;  /* Pointer to new nickname for chasing or NULL */
  58 };
  59
  60 /* Flags */
  61 #define WHOWAS_IP_SPOOFING      0x1
  62 #define WHOWAS_DYNSPOOF         0x2
  63
  64 /*
  65 ** initwhowas
  66 */
  67 extern void whowas_init(void);
  68
  69 /*
  70 ** add_history
  71 **      Add the currently defined name of the client to history.
  72 **      usually called before changing to a new name (nick).
  73 **      Client must be a fully registered user (specifically,
  74 **      the user structure must have been allocated).
  75 */
  76 void whowas_add_history(struct Client *, int);
  77
  78 /*
  79 ** off_history
  80 **      This must be called when the client structure is about to
  81 **      be released. History mechanism keeps pointers to client
  82 **      structures and it must know when they cease to exist. This
  83 **      also implicitly calls AddHistory.
  84 */
  85 void whowas_off_history(struct Client *);
  86
  87 /*
  88 ** get_history
  89 **      Return the current client that was using the given
  90 **      nickname within the timelimit. Returns NULL, if no
  91 **      one found...
  92 */
  93 struct Client *whowas_get_history(const char *, time_t);
  94                                         /* Nick name */
  95                                         /* Time limit in seconds */
  96
  97 rb_dlink_list *whowas_get_list(const char *name);
  98 void whowas_set_size(int whowas_length);
  99 void whowas_memory_usage(size_t *count, size_t *memused);
 100
 101 #endif /* INCLUDED_whowas_h */