src/modules/m_hostchange.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
   6  *                       E-mail:
   7  *                <brain@chatspike.net>
   8  *                <Craig@chatspike.net>
   9  *
  10  * Written by Craig Edwards, Craig McLure, and others.
  11  * This program is free but copyrighted software; see
  12  *            the file COPYING for details.
  13  *
  14  * ---------------------------------------------------
  15  */
  16
  17 #include <stdio.h>
  18 #include "users.h"
  19 #include "channels.h"
  20 #include "modules.h"
  21
  22 /* $ModDesc: Provides masking of user hostnames */
  23
  24 class ModuleHostChange : public Module
  25 {
  26  private:
  27
  28         Server *Srv;
  29         ConfigReader *Conf;
  30         std::string MySuffix;
  31
  32  public:
  33         ModuleHostChange()
  34         {
  35                 // We must create an instance of the Server class to work with
  36                 Srv = new Server;
  37                 Conf = new ConfigReader;
  38                 MySuffix = Conf->ReadValue("host","suffix",0);
  39         }
  40
  41         virtual ~ModuleHostChange()
  42         {
  43                 // not really neccessary, but free it anyway
  44                 delete Srv;
  45                 delete Conf;
  46         }
  47
  48         virtual void OnRehash()
  49         {
  50                 delete Conf;
  51                 Conf = new ConfigReader;
  52                 MySuffix = Conf->ReadValue("host","suffix",0);
  53         }
  54
  55         virtual Version GetVersion()
  56         {
  57                 // returns the version number of the module to be
  58                 // listed in /MODULES
  59                 return Version(1,0,0,1);
  60         }
  61
  62         virtual void OnUserConnect(userrec* user)
  63         {
  64                 for (int index = 0; index < Conf->Enumerate("hostchange"); index++)
  65                 {
  66                         std::string mask = Conf->ReadValue("hostchange","mask",index);
  67                         if (Srv->MatchText(std::string(user->ident)+"@"+std::string(user->host),mask))
  68                         {
  69                                 std::string newhost = "";
  70                                 // host of new user matches a hostchange tag's mask
  71                                 std::string action = Conf->ReadValue("hostchange","action",index);
  72                                 if (action == "set")
  73                                 {
  74                                         newhost = Conf->ReadValue("hostchange","value",index);
  75                                 }
  76                                 else if (action == "suffix")
  77                                 {
  78                                         newhost = MySuffix;
  79                                 }
  80                                 else if (action == "addnick")
  81                                 {
  82                                         // first take their nick and strip out non-dns, leaving just [A-Z0-9\-]
  83                                         std::string complete = "";
  84                                         std::string old = user->nick;
  85                                         for (int j = 0; j < old.length(); j++)
  86                                         {
  87                                                 if  (((old[j] >= 'A') && (old[j] <= 'Z')) ||
  88                                                     ((old[j] >= 'a') && (old[j] <= 'z')) ||
  89                                                     ((old[j] >= '0') && (old[j] <= '9')) ||
  90                                                     (old[j] == '-'))
  91                                                 {
  92                                                         complete = complete + old[j];
  93                                                 }
  94                                         }
  95                                         if (complete == "")
  96                                                 complete = "i-have-a-lame-nick";
  97                                         newhost = complete + "." + MySuffix;
  98                                 }
  99                                 if (newhost != "")
 100                                 {
 101                                         Srv->SendServ(user->fd,"NOTICE "+std::string(user->nick)+" :Setting your VHost: " + newhost);
 102                                         Srv->ChangeHost(user,newhost);
 103                                         return;
 104                                 }
 105                         }
 106                 }
 107         }
 108 };
 109
 110 // stuff down here is the module-factory stuff. For basic modules you can ignore this.
 111
 112 class ModuleHostChangeFactory : public ModuleFactory
 113 {
 114  public:
 115         ModuleHostChangeFactory()
 116         {
 117         }
 118
 119         ~ModuleHostChangeFactory()
 120         {
 121         }
 122
 123         virtual Module * CreateModule()
 124         {
 125                 return new ModuleHostChange;
 126         }
 127
 128 };
 129
 130
 131 extern "C" void * init_module( void )
 132 {
 133         return new ModuleHostChangeFactory;
 134 }
 135