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 "inspircd.h"
  15 #include "users.h"
  16 #include "channels.h"
  17 #include "modules.h"
  18
  19 /* $ModDesc: Provides support for the CHGHOST command */
  20
  21 /** Handle /CHGHOST
  22  */
  23 class cmd_chghost : public command_t
  24 {
  25  private:
  26         char* hostmap;
  27  public:
  28         cmd_chghost (InspIRCd* Instance, char* hmap) : command_t(Instance,"CHGHOST",'o',2), hostmap(hmap)
  29         {
  30                 this->source = "m_chghost.so";
  31                 syntax = "<nick> <newhost>";
  32         }
  33
  34         CmdResult Handle(const char** parameters, int pcnt, userrec *user)
  35         {
  36                 const char * x = parameters[1];
  37
  38                 for (; *x; x++)
  39                 {
  40                         if (!hostmap[(unsigned char)*x])
  41                         {
  42                                 user->WriteServ("NOTICE "+std::string(user->nick)+" :*** CHGHOST: Invalid characters in hostname");
  43                                 return CMD_FAILURE;
  44                         }
  45                 }
  46                 if (!*parameters[0])
  47                 {
  48                         user->WriteServ("NOTICE %s :*** CHGHOST: Host must be specified", user->nick);
  49                         return CMD_FAILURE;
  50                 }
  51
  52                 if ((parameters[1] - x) > 63)
  53                 {
  54                         user->WriteServ("NOTICE %s :*** CHGHOST: Host too long", user->nick);
  55                         return CMD_FAILURE;
  56                 }
  57                 userrec* dest = ServerInstance->FindNick(parameters[0]);
  58
  59                 if (!dest)
  60                 {
  61                         user->WriteServ("401 %s %s :No such nick/channel", user->nick, parameters[0]);
  62                         return CMD_FAILURE;
  63                 }
  64
  65                 if ((dest->ChangeDisplayedHost(parameters[1])) && (!ServerInstance->ULine(user->server)))
  66                 {
  67                         // fix by brain - ulines set hosts silently
  68                         ServerInstance->WriteOpers(std::string(user->nick)+" used CHGHOST to make the displayed host of "+dest->nick+" become "+dest->dhost);
  69                 }
  70
  71                 /* route it! */
  72                 return CMD_SUCCESS;
  73
  74         }
  75 };
  76
  77
  78 class ModuleChgHost : public Module
  79 {
  80         cmd_chghost* mycommand;
  81         char hostmap[256];
  82  public:
  83         ModuleChgHost(InspIRCd* Me)
  84                 : Module(Me)
  85         {
  86                 OnRehash(NULL,"");
  87                 mycommand = new cmd_chghost(ServerInstance, hostmap);
  88                 ServerInstance->AddCommand(mycommand);
  89         }
  90
  91         void Implements(char* List)
  92         {
  93                 List[I_OnRehash] = 1;
  94         }
  95
  96         void OnRehash(userrec* user, const std::string &parameter)
  97         {
  98                 ConfigReader Conf(ServerInstance);
  99                 std::string hmap = Conf.ReadValue("hostname", "charmap", 0);
 100
 101                 if (hmap.empty())
 102                         hmap = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz.-_/0123456789";
 103
 104                 memset(&hostmap, 0, 255);
 105                 for (std::string::iterator n = hmap.begin(); n != hmap.end(); n++)
 106                         hostmap[(unsigned char)*n] = 1;
 107         }
 108
 109         ~ModuleChgHost()
 110         {
 111         }
 112
 113         Version GetVersion()
 114         {
 115                 return Version(1, 1, 0, 0, VF_VENDOR, API_VERSION);
 116         }
 117
 118 };
 119
 120 MODULE_INIT(ModuleChgHost)