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         Priority Prioritize()
  49         {
  50                 return (Priority)Srv->PriorityAfter("m_cloaking.so");
  51         }
  52
  53         void Implements(char* List)
  54         {
  55                 List[I_OnRehash] = List[I_OnUserConnect] = 1;
  56         }
  57
  58         virtual void OnRehash(std::string parameter)
  59         {
  60                 delete Conf;
  61                 Conf = new ConfigReader;
  62                 MySuffix = Conf->ReadValue("host","suffix",0);
  63         }
  64
  65         virtual Version GetVersion()
  66         {
  67                 // returns the version number of the module to be
  68                 // listed in /MODULES
  69                 return Version(1,0,0,1,VF_VENDOR);
  70         }
  71
  72         virtual void OnUserConnect(userrec* user)
  73         {
  74                 for (int index = 0; index < Conf->Enumerate("hostchange"); index++)
  75                 {
  76                         std::string mask = Conf->ReadValue("hostchange","mask",index);
  77                         if (Srv->MatchText(std::string(user->ident)+"@"+std::string(user->host),mask))
  78                         {
  79                                 std::string newhost = "";
  80                                 // host of new user matches a hostchange tag's mask
  81                                 std::string action = Conf->ReadValue("hostchange","action",index);
  82                                 if (action == "set")
  83                                 {
  84                                         newhost = Conf->ReadValue("hostchange","value",index);
  85                                 }
  86                                 else if (action == "suffix")
  87                                 {
  88                                         newhost = MySuffix;
  89                                 }
  90                                 else if (action == "addnick")
  91                                 {
  92                                         // first take their nick and strip out non-dns, leaving just [A-Z0-9\-]
  93                                         std::string complete = "";
  94                                         std::string old = user->nick;
  95                                         for (unsigned int j = 0; j < old.length(); j++)
  96                                         {
  97                                                 if  (((old[j] >= 'A') && (old[j] <= 'Z')) ||
  98                                                     ((old[j] >= 'a') && (old[j] <= 'z')) ||
  99                                                     ((old[j] >= '0') && (old[j] <= '9')) ||
 100                                                     (old[j] == '-'))
 101                                                 {
 102                                                         complete = complete + old[j];
 103                                                 }
 104                                         }
 105                                         if (complete == "")
 106                                                 complete = "i-have-a-lame-nick";
 107                                         newhost = complete + "." + MySuffix;
 108                                 }
 109                                 if (newhost != "")
 110                                 {
 111                                         Srv->SendServ(user->fd,"NOTICE "+std::string(user->nick)+" :Setting your VHost: " + newhost);
 112                                         Srv->ChangeHost(user,newhost);
 113                                         return;
 114                                 }
 115                         }
 116                 }
 117         }
 118 };
 119
 120 // stuff down here is the module-factory stuff. For basic modules you can ignore this.
 121
 122 class ModuleHostChangeFactory : public ModuleFactory
 123 {
 124  public:
 125         ModuleHostChangeFactory()
 126         {
 127         }
 128
 129         ~ModuleHostChangeFactory()
 130         {
 131         }
 132
 133         virtual Module * CreateModule(Server* Me)
 134         {
 135                 return new ModuleHostChange(Me);
 136         }
 137
 138 };
 139
 140
 141 extern "C" void * init_module( void )
 142 {
 143         return new ModuleHostChangeFactory;
 144 }
 145