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 using namespace std;
  18
  19 #include <stdio.h>
  20 #include "users.h"
  21 #include "channels.h"
  22 #include "modules.h"
  23
  24 /* $ModDesc: Provides masking of user hostnames in a different way to m_cloaking */
  25
  26 class ModuleHostChange : public Module
  27 {
  28  private:
  29
  30         Server *Srv;
  31         ConfigReader *Conf;
  32         std::string MySuffix;
  33
  34  public:
  35         ModuleHostChange()
  36         {
  37                 // We must create an instance of the Server class to work with
  38                 Srv = new Server;
  39                 Conf = new ConfigReader;
  40                 MySuffix = Conf->ReadValue("host","suffix",0);
  41         }
  42
  43         virtual ~ModuleHostChange()
  44         {
  45                 // not really neccessary, but free it anyway
  46                 delete Srv;
  47                 delete Conf;
  48         }
  49
  50         virtual void OnRehash(std::string parameter)
  51         {
  52                 delete Conf;
  53                 Conf = new ConfigReader;
  54                 MySuffix = Conf->ReadValue("host","suffix",0);
  55         }
  56
  57         virtual Version GetVersion()
  58         {
  59                 // returns the version number of the module to be
  60                 // listed in /MODULES
  61                 return Version(1,0,0,1,VF_VENDOR);
  62         }
  63
  64         virtual void OnUserConnect(userrec* user)
  65         {
  66                 for (int index = 0; index < Conf->Enumerate("hostchange"); index++)
  67                 {
  68                         std::string mask = Conf->ReadValue("hostchange","mask",index);
  69                         if (Srv->MatchText(std::string(user->ident)+"@"+std::string(user->host),mask))
  70                         {
  71                                 std::string newhost = "";
  72                                 // host of new user matches a hostchange tag's mask
  73                                 std::string action = Conf->ReadValue("hostchange","action",index);
  74                                 if (action == "set")
  75                                 {
  76                                         newhost = Conf->ReadValue("hostchange","value",index);
  77                                 }
  78                                 else if (action == "suffix")
  79                                 {
  80                                         newhost = MySuffix;
  81                                 }
  82                                 else if (action == "addnick")
  83                                 {
  84                                         // first take their nick and strip out non-dns, leaving just [A-Z0-9\-]
  85                                         std::string complete = "";
  86                                         std::string old = user->nick;
  87                                         for (unsigned int j = 0; j < old.length(); j++)
  88                                         {
  89                                                 if  (((old[j] >= 'A') && (old[j] <= 'Z')) ||
  90                                                     ((old[j] >= 'a') && (old[j] <= 'z')) ||
  91                                                     ((old[j] >= '0') && (old[j] <= '9')) ||
  92                                                     (old[j] == '-'))
  93                                                 {
  94                                                         complete = complete + old[j];
  95                                                 }
  96                                         }
  97                                         if (complete == "")
  98                                                 complete = "i-have-a-lame-nick";
  99                                         newhost = complete + "." + MySuffix;
 100                                 }
 101                                 if (newhost != "")
 102                                 {
 103                                         Srv->SendServ(user->fd,"NOTICE "+std::string(user->nick)+" :Setting your VHost: " + newhost);
 104                                         Srv->ChangeHost(user,newhost);
 105                                         return;
 106                                 }
 107                         }
 108                 }
 109         }
 110 };
 111
 112 // stuff down here is the module-factory stuff. For basic modules you can ignore this.
 113
 114 class ModuleHostChangeFactory : public ModuleFactory
 115 {
 116  public:
 117         ModuleHostChangeFactory()
 118         {
 119         }
 120
 121         ~ModuleHostChangeFactory()
 122         {
 123         }
 124
 125         virtual Module * CreateModule()
 126         {
 127                 return new ModuleHostChange;
 128         }
 129
 130 };
 131
 132
 133 extern "C" void * init_module( void )
 134 {
 135         return new ModuleHostChangeFactory;
 136 }
 137