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 "inspircd.h"
  15
  16 /* $ModDesc: Provides support for the SETHOST command */
  17
  18 /** Handle /SETHOST
  19  */
  20 class cmd_sethost : public command_t
  21 {
  22  private:
  23         char* hostmap;
  24  public:
  25         cmd_sethost (InspIRCd* Instance, char* hmap) : command_t(Instance,"SETHOST",'o',1), hostmap(hmap)
  26         {
  27                 this->source = "m_sethost.so";
  28                 syntax = "<new-hostname>";
  29         }
  30
  31         CmdResult Handle (const char** parameters, int pcnt, userrec *user)
  32         {
  33                 size_t len = 0;
  34                 for (const char* x = parameters[0]; *x; x++, len++)
  35                 {
  36                         if (!hostmap[(unsigned char)*x])
  37                         {
  38                                 user->WriteServ("NOTICE "+std::string(user->nick)+" :*** SETHOST: Invalid characters in hostname");
  39                                 return CMD_FAILURE;
  40                         }
  41                 }
  42                 if (len == 0)
  43                 {
  44                         user->WriteServ("NOTICE %s :*** SETHOST: Host must be specified", user->nick);
  45                         return CMD_FAILURE;
  46                 }
  47                 if (len > 64)
  48                 {
  49                         user->WriteServ("NOTICE %s :*** SETHOST: Host too long",user->nick);
  50                         return CMD_FAILURE;
  51                 }
  52                 if (user->ChangeDisplayedHost(parameters[0]))
  53                 {
  54                         ServerInstance->WriteOpers(std::string(user->nick)+" used SETHOST to change their displayed host to "+user->dhost);
  55                         return CMD_SUCCESS;
  56                 }
  57
  58                 return CMD_FAILURE;
  59         }
  60 };
  61
  62
  63 class ModuleSetHost : public Module
  64 {
  65         cmd_sethost* mycommand;
  66         char hostmap[256];
  67  public:
  68         ModuleSetHost(InspIRCd* Me)
  69                 : Module(Me)
  70         {
  71                 OnRehash(NULL,"");
  72                 mycommand = new cmd_sethost(ServerInstance, hostmap);
  73                 ServerInstance->AddCommand(mycommand);
  74         }
  75
  76         void Implements(char* List)
  77         {
  78                 List[I_OnRehash] = 1;
  79         }
  80
  81         void OnRehash(userrec* user, const std::string &parameter)
  82         {
  83                 ConfigReader Conf(ServerInstance);
  84                 std::string hmap = Conf.ReadValue("hostname", "charmap", 0);
  85
  86                 if (hmap.empty())
  87                         hmap = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz.-_/0123456789";
  88
  89                 memset(&hostmap, 0, 255);
  90                 for (std::string::iterator n = hmap.begin(); n != hmap.end(); n++)
  91                         hostmap[(unsigned char)*n] = 1;
  92         }
  93
  94         virtual ~ModuleSetHost()
  95         {
  96         }
  97
  98         virtual Version GetVersion()
  99         {
 100                 return Version(1, 1, 0, 1, VF_COMMON | VF_VENDOR, API_VERSION);
 101         }
 102
 103 };
 104
 105 MODULE_INIT(ModuleSetHost)