modules/m_whowas.c

   1 /*
   2  *  ircd-ratbox: A slightly useful ircd.
   3  *  m_whois.c: Shows who a user was.
   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 "whowas.h"
  28 #include "client.h"
  29 #include "common.h"
  30 #include "hash.h"
  31 #include "match.h"
  32 #include "ircd.h"
  33 #include "ircd_defs.h"
  34 #include "numeric.h"
  35 #include "s_serv.h"
  36 #include "s_user.h"
  37 #include "send.h"
  38 #include "s_conf.h"
  39 #include "msg.h"
  40 #include "parse.h"
  41 #include "modules.h"
  42
  43 static int m_whowas(struct Client *, struct Client *, int, const char **);
  44
  45 struct Message whowas_msgtab = {
  46         "WHOWAS", 0, 0, 0, MFLG_SLOW,
  47         {mg_unreg, {m_whowas, 2}, mg_ignore, mg_ignore, mg_ignore, {m_whowas, 2}}
  48 };
  49
  50 mapi_clist_av1 whowas_clist[] = { &whowas_msgtab, NULL };
  51 DECLARE_MODULE_AV1(whowas, NULL, NULL, whowas_clist, NULL, NULL, "$Revision: 1717 $");
  52
  53 /*
  54 ** m_whowas
  55 **      parv[1] = nickname queried
  56 */
  57 static int
  58 m_whowas(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
  59 {
  60         struct Whowas *temp;
  61         int cur = 0;
  62         int max = -1, found = 0;
  63         char *p;
  64         const char *nick;
  65         char tbuf[26];
  66
  67         static time_t last_used = 0L;
  68
  69         if(!IsOper(source_p))
  70         {
  71                 if((last_used + ConfigFileEntry.pace_wait_simple) > rb_current_time())
  72                 {
  73                         sendto_one(source_p, form_str(RPL_LOAD2HI),
  74                                    me.name, source_p->name, "WHOWAS");
  75                         sendto_one(source_p, form_str(RPL_ENDOFWHOWAS),
  76                                    me.name, source_p->name, parv[1]);
  77                         return 0;
  78                 }
  79                 else
  80                         last_used = rb_current_time();
  81         }
  82
  83
  84         if(parc > 2)
  85                 max = atoi(parv[2]);
  86
  87 #if 0
  88         if(parc > 3)
  89                 if(hunt_server(client_p, source_p, ":%s WHOWAS %s %s :%s", 3, parc, parv))
  90                         return 0;
  91 #endif
  92
  93         if((p = strchr(parv[1], ',')))
  94                 *p = '\0';
  95
  96         nick = parv[1];
  97
  98         temp = WHOWASHASH[hash_whowas_name(nick)];
  99         found = 0;
 100         for (; temp; temp = temp->next)
 101         {
 102                 if(!irccmp(nick, temp->name))
 103                 {
 104                         sendto_one(source_p, form_str(RPL_WHOWASUSER),
 105                                    me.name, source_p->name, temp->name,
 106                                    temp->username, temp->hostname, temp->realname);
 107                         if (MyOper(source_p) && !EmptyString(temp->sockhost))
 108 #if 0
 109                                 sendto_one(source_p, form_str(RPL_WHOWASREAL),
 110                                            me.name, source_p->name, temp->name,
 111                                            "<untracked>", temp->sockhost);
 112 #else
 113                                 sendto_one_numeric(source_p, RPL_WHOISACTUALLY,
 114                                                    form_str(RPL_WHOISACTUALLY),
 115                                                    temp->name, temp->sockhost);
 116 #endif
 117                         if (!EmptyString(temp->suser))
 118                                 sendto_one_numeric(source_p, RPL_WHOISLOGGEDIN,
 119                                                    "%s %s :was logged in as",
 120                                                    temp->name, temp->suser);
 121                         sendto_one_numeric(source_p, RPL_WHOISSERVER,
 122                                            form_str(RPL_WHOISSERVER),
 123                                            temp->name, temp->servername,
 124                                            rb_ctime(temp->logoff, tbuf, sizeof(tbuf)));
 125                         cur++;
 126                         found++;
 127                 }
 128                 if(max > 0 && cur >= max)
 129                         break;
 130         }
 131
 132         if(!found)
 133                 sendto_one(source_p, form_str(ERR_WASNOSUCHNICK),
 134                            me.name, source_p->name, nick);
 135
 136         sendto_one(source_p, form_str(RPL_ENDOFWHOWAS),
 137                    me.name, source_p->name, parv[1]);
 138         return 0;
 139 }