src/modules/m_sethost.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 SETHOST command */
  23
  24 /** Handle /SETHOST
  25  */
  26 class cmd_sethost : public command_t
  27 {
  28  private:
  29         char* hostmap;
  30  public:
  31         cmd_sethost (InspIRCd* Instance, char* hmap) : command_t(Instance,"SETHOST",'o',1), hostmap(hmap)
  32         {
  33                 this->source = "m_sethost.so";
  34                 syntax = "<new-hostname>";
  35         }
  36
  37         CmdResult Handle (const char** parameters, int pcnt, userrec *user)
  38         {
  39                 size_t len = 0;
  40                 for (const char* x = parameters[0]; *x; x++, len++)
  41                 {
  42                         if (!hostmap[(unsigned char)*x])
  43                         {
  44                                 user->WriteServ("NOTICE "+std::string(user->nick)+" :*** Invalid characters in hostname");
  45                                 return CMD_FAILURE;
  46                         }
  47                 }
  48                 if (len > 64)
  49                 {
  50                         user->WriteServ("NOTICE %s :*** SETHOST: Host too long",user->nick);
  51                         return CMD_FAILURE;
  52                 }
  53                 if (user->ChangeDisplayedHost(parameters[0]))
  54                 {
  55                         ServerInstance->WriteOpers(std::string(user->nick)+" used SETHOST to change their displayed host to "+user->dhost);
  56                         return CMD_SUCCESS;
  57                 }
  58
  59                 return CMD_FAILURE;
  60         }
  61 };
  62
  63
  64 class ModuleSetHost : public Module
  65 {
  66         cmd_sethost* mycommand;
  67         char hostmap[256];
  68  public:
  69         ModuleSetHost(InspIRCd* Me)
  70                 : Module::Module(Me)
  71         {
  72                 OnRehash(NULL,"");
  73                 mycommand = new cmd_sethost(ServerInstance, hostmap);
  74                 ServerInstance->AddCommand(mycommand);
  75         }
  76
  77         void Implements(char* List)
  78         {
  79                 List[I_OnRehash] = 1;
  80         }
  81
  82         void OnRehash(userrec* user, const std::string &parameter)
  83         {
  84                 ConfigReader Conf(ServerInstance);
  85                 std::string hmap = Conf.ReadValue("hostname", "charmap", 0);
  86
  87                 if (hmap.empty())
  88                         hmap = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz.-_/0123456789";
  89
  90                 memset(&hostmap, 0, 255);
  91                 for (std::string::iterator n = hmap.begin(); n != hmap.end(); n++)
  92                         hostmap[(unsigned char)*n] = 1;
  93         }
  94
  95         virtual ~ModuleSetHost()
  96         {
  97         }
  98
  99         virtual Version GetVersion()
 100         {
 101                 return Version(1,1,0,1,VF_VENDOR,API_VERSION);
 102         }
 103
 104 };
 105
 106 class ModuleSetHostFactory : public ModuleFactory
 107 {
 108  public:
 109         ModuleSetHostFactory()
 110         {
 111         }
 112
 113         ~ModuleSetHostFactory()
 114         {
 115         }
 116
 117         virtual Module * CreateModule(InspIRCd* Me)
 118         {
 119                 return new ModuleSetHost(Me);
 120         }
 121
 122 };
 123
 124
 125 extern "C" void * init_module( void )
 126 {
 127         return new ModuleSetHostFactory;
 128 }
 129