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 #include "users.h"
  16 #include "channels.h"
  17 #include "modules.h"
  18
  19 /* $ModDesc: Provides support for the SETHOST command */
  20
  21 /** Handle /SETHOST
  22  */
  23 class cmd_sethost : public command_t
  24 {
  25  private:
  26         char* hostmap;
  27  public:
  28         cmd_sethost (InspIRCd* Instance, char* hmap) : command_t(Instance,"SETHOST",'o',1), hostmap(hmap)
  29         {
  30                 this->source = "m_sethost.so";
  31                 syntax = "<new-hostname>";
  32         }
  33
  34         CmdResult Handle (const char** parameters, int pcnt, userrec *user)
  35         {
  36                 size_t len = 0;
  37                 for (const char* x = parameters[0]; *x; x++, len++)
  38                 {
  39                         if (!hostmap[(unsigned char)*x])
  40                         {
  41                                 user->WriteServ("NOTICE "+std::string(user->nick)+" :*** SETHOST: Invalid characters in hostname");
  42                                 return CMD_FAILURE;
  43                         }
  44                 }
  45                 if (len == 0)
  46                 {
  47                         user->WriteServ("NOTICE %s :*** SETHOST: Host must be specified", user->nick);
  48                         return CMD_FAILURE;
  49                 }
  50                 if (len > 64)
  51                 {
  52                         user->WriteServ("NOTICE %s :*** SETHOST: Host too long",user->nick);
  53                         return CMD_FAILURE;
  54                 }
  55                 if (user->ChangeDisplayedHost(parameters[0]))
  56                 {
  57                         ServerInstance->WriteOpers(std::string(user->nick)+" used SETHOST to change their displayed host to "+user->dhost);
  58                         return CMD_SUCCESS;
  59                 }
  60
  61                 return CMD_FAILURE;
  62         }
  63 };
  64
  65
  66 class ModuleSetHost : public Module
  67 {
  68         cmd_sethost* mycommand;
  69         char hostmap[256];
  70  public:
  71         ModuleSetHost(InspIRCd* Me)
  72                 : Module(Me)
  73         {
  74                 OnRehash(NULL,"");
  75                 mycommand = new cmd_sethost(ServerInstance, hostmap);
  76                 ServerInstance->AddCommand(mycommand);
  77         }
  78
  79         void Implements(char* List)
  80         {
  81                 List[I_OnRehash] = 1;
  82         }
  83
  84         void OnRehash(userrec* user, const std::string &parameter)
  85         {
  86                 ConfigReader Conf(ServerInstance);
  87                 std::string hmap = Conf.ReadValue("hostname", "charmap", 0);
  88
  89                 if (hmap.empty())
  90                         hmap = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz.-_/0123456789";
  91
  92                 memset(&hostmap, 0, 255);
  93                 for (std::string::iterator n = hmap.begin(); n != hmap.end(); n++)
  94                         hostmap[(unsigned char)*n] = 1;
  95         }
  96
  97         virtual ~ModuleSetHost()
  98         {
  99         }
 100
 101         virtual Version GetVersion()
 102         {
 103                 return Version(1,1,0,1,VF_VENDOR,API_VERSION);
 104         }
 105
 106 };
 107
 108 MODULE_INIT(ModuleSetHost)