src/modules/m_chghost.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *            the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 #include <stdio.h>
  15 #include <string>
  16 #include "users.h"
  17 #include "channels.h"
  18 #include "modules.h"
  19
  20 #include "inspircd.h"
  21
  22 /* $ModDesc: Provides support for the CHGHOST command */
  23
  24 /** Handle /CHGHOST
  25  */
  26 class cmd_chghost : public command_t
  27 {
  28  private:
  29         char* hostmap;
  30  public:
  31         cmd_chghost (InspIRCd* Instance, char* hmap) : command_t(Instance,"CHGHOST",'o',2), hostmap(hmap)
  32         {
  33                 this->source = "m_chghost.so";
  34                 syntax = "<nick> <newhost>";
  35         }
  36
  37         CmdResult Handle(const char** parameters, int pcnt, userrec *user)
  38         {
  39                 const char * x = parameters[1];
  40
  41                 for (; *x; x++)
  42                 {
  43                         if (!hostmap[(unsigned char)*x])
  44                         {
  45                                 user->WriteServ("NOTICE "+std::string(user->nick)+" :*** Invalid characters in hostname");
  46                                 return CMD_FAILURE;
  47                         }
  48                 }
  49                 if ((parameters[1] - x) > 63)
  50                 {
  51                         user->WriteServ("NOTICE %s :*** CHGHOST: Host too long",user->nick);
  52                         return CMD_FAILURE;
  53                 }
  54                 userrec* dest = ServerInstance->FindNick(parameters[0]);
  55                 if (dest)
  56                 {
  57                         if ((dest->ChangeDisplayedHost(parameters[1])) && (!ServerInstance->ULine(user->server)))
  58                         {
  59                                 // fix by brain - ulines set hosts silently
  60                                 ServerInstance->WriteOpers(std::string(user->nick)+" used CHGHOST to make the displayed host of "+dest->nick+" become "+dest->dhost);
  61                         }
  62                         return CMD_SUCCESS;
  63                 }
  64
  65                 return CMD_FAILURE;
  66         }
  67 };
  68
  69
  70 class ModuleChgHost : public Module
  71 {
  72         cmd_chghost* mycommand;
  73         char hostmap[256];
  74  public:
  75         ModuleChgHost(InspIRCd* Me)
  76                 : Module::Module(Me)
  77         {
  78                 OnRehash(NULL,"");
  79                 mycommand = new cmd_chghost(ServerInstance, hostmap);
  80                 ServerInstance->AddCommand(mycommand);
  81         }
  82
  83         void Implements(char* List)
  84         {
  85                 List[I_OnRehash] = 1;
  86         }
  87
  88         void OnRehash(userrec* user, const std::string &parameter)
  89         {
  90                 ConfigReader Conf(ServerInstance);
  91                 std::string hmap = Conf.ReadValue("hostname", "charmap", 0);
  92
  93                 if (hmap.empty())
  94                         hmap = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz.-_/0123456789";
  95
  96                 memset(&hostmap, 0, 255);
  97                 for (std::string::iterator n = hmap.begin(); n != hmap.end(); n++)
  98                         hostmap[(unsigned char)*n] = 1;
  99         }
 100
 101         ~ModuleChgHost()
 102         {
 103         }
 104
 105         Version GetVersion()
 106         {
 107                 return Version(1, 1, 0, 0, VF_VENDOR, API_VERSION);
 108         }
 109
 110 };
 111
 112
 113 class ModuleChgHostFactory : public ModuleFactory
 114 {
 115  public:
 116         ModuleChgHostFactory()
 117         {
 118         }
 119
 120         ~ModuleChgHostFactory()
 121         {
 122         }
 123
 124         virtual Module * CreateModule(InspIRCd* Me)
 125         {
 126                 return new ModuleChgHost(Me);
 127         }
 128
 129 };
 130
 131
 132 extern "C" void * init_module( void )
 133 {
 134         return new ModuleChgHostFactory;
 135 }
 136