modules/m_tginfo.c

   1 /*
   2  * m_tginfo.c: propagates target-change status information
   3  *
   4  * Copyright (C) 2012 Keith Buck
   5  * Copyright (C) 2012 charybdis development team
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions are
   9  * met:
  10  *
  11  * 1.Redistributions of source code must retain the above copyright notice,
  12  *   this list of conditions and the following disclaimer.
  13  * 2.Redistributions in binary form must reproduce the above copyright
  14  *   notice, this list of conditions and the following disclaimer in the
  15  *   documentation and/or other materials provided with the distribution.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  20  * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
  21  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  23  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  25  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  26  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  27  * POSSIBILITY OF SUCH DAMAGE.
  28  */
  29
  30 #include "stdinc.h"
  31 #include "client.h"
  32 #include "common.h"
  33 #include "match.h"
  34 #include "hash.h"
  35 #include "ircd.h"
  36 #include "numeric.h"
  37 #include "send.h"
  38 #include "msg.h"
  39 #include "modules.h"
  40 #include "s_newconf.h" /* add_tgchange */
  41
  42 static const char tginfo_desc[] = "Processes target change notifications from other servers";
  43
  44 static void me_tginfo(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
  45
  46 struct Message tginfo_msgtab = {
  47         "TGINFO", 0, 0, 0, 0,
  48         {mg_unreg, mg_ignore, mg_ignore, mg_ignore, {me_tginfo, 2}, mg_ignore}
  49 };
  50
  51 mapi_clist_av1 tginfo_clist[] = { &tginfo_msgtab, NULL };
  52
  53 DECLARE_MODULE_AV2(tginfo, NULL, NULL, tginfo_clist, NULL, NULL, NULL, NULL, tginfo_desc);
  54
  55 /*
  56 ** me_tginfo
  57 **      parv[1] = 0, reserved for future use (number of remaining targets)
  58 */
  59 static void
  60 me_tginfo(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
  61 {
  62         if (!IsPerson(source_p))
  63                 return;
  64
  65         int remaining = atoi(parv[1]);
  66         if (remaining != 0)
  67                 return; /* not implemented */
  68
  69         if (!EmptyString(source_p->sockhost) && strcmp(source_p->sockhost, "0"))
  70         {
  71                 /* We can't really add the tgchange if we don't have their IP... */
  72                 add_tgchange(source_p->sockhost);
  73         }
  74
  75         if (!IsTGExcessive(source_p))
  76         {
  77                 SetTGExcessive(source_p);
  78                 sendto_realops_snomask_from(SNO_BOTS, L_ALL, source_p->servptr,
  79                         "Excessive target change from %s (%s@%s)",
  80                         source_p->name, source_p->username, source_p->orighost);
  81         }
  82 }