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
  56                 if (!dest)
  57                 {
  58                         /* Drop it like a hot potato. XXX - we should probably message here.. -- w00t */
  59                         return CMD_FAILURE;
  60                 }
  61
  62                 if ((dest->ChangeDisplayedHost(parameters[1])) && (!ServerInstance->ULine(user->server)))
  63                 {
  64                         // fix by brain - ulines set hosts silently
  65                         ServerInstance->WriteOpers(std::string(user->nick)+" used CHGHOST to make the displayed host of "+dest->nick+" become "+dest->dhost);
  66                 }
  67
  68                 /* route it! */
  69                 return CMD_SUCCESS;
  70
  71         }
  72 };
  73
  74
  75 class ModuleChgHost : public Module
  76 {
  77         cmd_chghost* mycommand;
  78         char hostmap[256];
  79  public:
  80         ModuleChgHost(InspIRCd* Me)
  81                 : Module::Module(Me)
  82         {
  83                 OnRehash(NULL,"");
  84                 mycommand = new cmd_chghost(ServerInstance, hostmap);
  85                 ServerInstance->AddCommand(mycommand);
  86         }
  87
  88         void Implements(char* List)
  89         {
  90                 List[I_OnRehash] = 1;
  91         }
  92
  93         void OnRehash(userrec* user, const std::string &parameter)
  94         {
  95                 ConfigReader Conf(ServerInstance);
  96                 std::string hmap = Conf.ReadValue("hostname", "charmap", 0);
  97
  98                 if (hmap.empty())
  99                         hmap = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz.-_/0123456789";
 100
 101                 memset(&hostmap, 0, 255);
 102                 for (std::string::iterator n = hmap.begin(); n != hmap.end(); n++)
 103                         hostmap[(unsigned char)*n] = 1;
 104         }
 105
 106         ~ModuleChgHost()
 107         {
 108         }
 109
 110         Version GetVersion()
 111         {
 112                 return Version(1, 1, 0, 0, VF_VENDOR, API_VERSION);
 113         }
 114
 115 };
 116
 117
 118 class ModuleChgHostFactory : public ModuleFactory
 119 {
 120  public:
 121         ModuleChgHostFactory()
 122         {
 123         }
 124
 125         ~ModuleChgHostFactory()
 126         {
 127         }
 128
 129         virtual Module * CreateModule(InspIRCd* Me)
 130         {
 131                 return new ModuleChgHost(Me);
 132         }
 133
 134 };
 135
 136
 137 extern "C" void * init_module( void )
 138 {
 139         return new ModuleChgHostFactory;
 140 }
 141