src/modules/m_hostchange.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd is copyright (C) 2002-2006 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(Server* Me)
  36                 : Module::Module(Me)
  37         {
  38                 Srv = Me;
  39                 Conf = new ConfigReader;
  40                 MySuffix = Conf->ReadValue("host","suffix",0);
  41         }
  42
  43         virtual ~ModuleHostChange()
  44         {
  45                 delete Conf;
  46         }
  47
  48         void Implements(char* List)
  49         {
  50                 List[I_OnRehash] = List[I_OnUserConnect] = 1;
  51         }
  52
  53         virtual void OnRehash(std::string parameter)
  54         {
  55                 delete Conf;
  56                 Conf = new ConfigReader;
  57                 MySuffix = Conf->ReadValue("host","suffix",0);
  58         }
  59
  60         virtual Version GetVersion()
  61         {
  62                 // returns the version number of the module to be
  63                 // listed in /MODULES
  64                 return Version(1,0,0,1,VF_VENDOR);
  65         }
  66
  67         virtual void OnUserConnect(userrec* user)
  68         {
  69                 for (int index = 0; index < Conf->Enumerate("hostchange"); index++)
  70                 {
  71                         std::string mask = Conf->ReadValue("hostchange","mask",index);
  72                         if (Srv->MatchText(std::string(user->ident)+"@"+std::string(user->host),mask))
  73                         {
  74                                 std::string newhost = "";
  75                                 // host of new user matches a hostchange tag's mask
  76                                 std::string action = Conf->ReadValue("hostchange","action",index);
  77                                 if (action == "set")
  78                                 {
  79                                         newhost = Conf->ReadValue("hostchange","value",index);
  80                                 }
  81                                 else if (action == "suffix")
  82                                 {
  83                                         newhost = MySuffix;
  84                                 }
  85                                 else if (action == "addnick")
  86                                 {
  87                                         // first take their nick and strip out non-dns, leaving just [A-Z0-9\-]
  88                                         std::string complete = "";
  89                                         std::string old = user->nick;
  90                                         for (unsigned int j = 0; j < old.length(); j++)
  91                                         {
  92                                                 if  (((old[j] >= 'A') && (old[j] <= 'Z')) ||
  93                                                     ((old[j] >= 'a') && (old[j] <= 'z')) ||
  94                                                     ((old[j] >= '0') && (old[j] <= '9')) ||
  95                                                     (old[j] == '-'))
  96                                                 {
  97                                                         complete = complete + old[j];
  98                                                 }
  99                                         }
 100                                         if (complete == "")
 101                                                 complete = "i-have-a-lame-nick";
 102                                         newhost = complete + "." + MySuffix;
 103                                 }
 104                                 if (newhost != "")
 105                                 {
 106                                         Srv->SendServ(user->fd,"NOTICE "+std::string(user->nick)+" :Setting your VHost: " + newhost);
 107                                         Srv->ChangeHost(user,newhost);
 108                                         return;
 109                                 }
 110                         }
 111                 }
 112         }
 113 };
 114
 115 // stuff down here is the module-factory stuff. For basic modules you can ignore this.
 116
 117 class ModuleHostChangeFactory : public ModuleFactory
 118 {
 119  public:
 120         ModuleHostChangeFactory()
 121         {
 122         }
 123
 124         ~ModuleHostChangeFactory()
 125         {
 126         }
 127
 128         virtual Module * CreateModule(Server* Me)
 129         {
 130                 return new ModuleHostChange(Me);
 131         }
 132
 133 };
 134
 135
 136 extern "C" void * init_module( void )
 137 {
 138         return new ModuleHostChangeFactory;
 139 }
 140